Guess the next number in series - 5, 25, 325, 4325, ?

Answer 1

Next Number is 54325

As 5 then added 2 in front of 5 so 25, then added 3 in front of 25 so 325 and added 4 in front of 325 so 4325.
Thus,

Adding 5 in front of 4325, the next number is 54325.

Answer 2

The Next Number is 54325