15625325 has 12 divisors (see below), whose sum is σ = 19650528. Its totient is φ = 12322800.

The previous prime is 15625321. The next prime is 15625339. The reversal of 15625325 is 52352651.

It is a happy number.

It is not a de Polignac number, because 15625325 - 2² = 15625321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15625321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2627 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (1637544).

Almost surely, 2^15625325 is an apocalyptic number.

It is an amenable number.

15625325 is a deficient number, since it is larger than the sum of its proper divisors (4025203).

15625325 is an equidigital number, since it uses as much as digits as its factorization.

15625325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884 (or 8879 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 15625325 is about 3952.8881846063. Note that the first 3 decimals coincide. The cubic root of 15625325 is about 250.0017333213.

Adding to 15625325 its reverse (52352651), we get a palindrome (67977976).

The spelling of 15625325 in words is "fifteen million, six hundred twenty-five thousand, three hundred twenty-five".