15025625 has 20 divisors (see below), whose sum is σ = 19446900. Its totient is φ = 11592000.

The previous prime is 15025597. The next prime is 15025631. The reversal of 15025625 is 52652051.

It can be written as a sum of positive squares in 10 ways, for example, as 10896601 + 4129024 = 3301^2 + 2032^2 .

It is not a de Polignac number, because 15025625 - 2⁸ = 15025369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15025594 and 15025603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17711 + ... + 18539.

It is an arithmetic number, because the mean of its divisors is an integer number (972345).

Almost surely, 2^15025625 is an apocalyptic number.

It is an amenable number.

15025625 is a deficient number, since it is larger than the sum of its proper divisors (4421275).

15025625 is an frugal number, since it uses more digits than its factorization.

15025625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 15025625 is about 3876.2901078222. The cubic root of 15025625 is about 246.7615646142.

Adding to 15025625 its reverse (52652051), we get a palindrome (67677676).

The spelling of 15025625 in words is "fifteen million, twenty-five thousand, six hundred twenty-five".