We're dividing 525239 by 1 
We want to figure out the number of times 525239 can be divided by 1.

Going ahead to step 1:
When dividing 5 by 1, we get 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we take 5 away from 5, we end up with 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 1

Going ahead to step 2:
If we divide 2 by 1, we get 2 and a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 52.0
Deduct 2 from 2 and we're left with 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 1

On to step 3:
When dividing 5 by 1, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 525.0
If we subtract 5 from 5, we get 0.
Include the next digit (2) from the dividend after 0, then repeat: 2 / 1

Advancing to step 4:
If we divide 2 by 1, we get 2 and a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 5252.0
If we take 2 away from 2, we end up with 0.
Bring next digit (3) of the dividend behind the 0 and repeat the process: 3 / 1

Going ahead to step 5:
The number 1 fits into 3 3 times, leaving a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 52523.0
Subtracting 3 from 3 leaves us with 0.
Bring next digit (9) of the dividend behind the 0 and repeat the process: 9 / 1

Advancing to step 6:
1 can be fit into 9 9 times, resulting in a remainder of 0.
The number 9 becomes the next digit in our result. 
Result so far: 525239.0
Subtract 9 from 9 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 7:
0 divided by 1 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 525239.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 8:
When dividing 0 by 1, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 525239.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 525239.0, with a leftover of 0.0.