315256025 has 24 divisors (see below), whose sum is σ = 456280320. Its totient is φ = 211570560.

The previous prime is 315256003. The next prime is 315256063. The reversal of 315256025 is 520652513.

It is a happy number.

It is not a de Polignac number, because 315256025 - 2²⁰ = 314207449 is a prime.

It is a super-2 number, since 2×315256025² = 198772722597601250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10940 + ... + 27389.

It is an arithmetic number, because the mean of its divisors is an integer number (19011680).

Almost surely, 2^315256025 is an apocalyptic number.

315256025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315256025 is a deficient number, since it is larger than the sum of its proper divisors (141024295).

315256025 is a wasteful number, since it uses less digits than its factorization.

315256025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38393 (or 38388 counting only the distinct ones).

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

The square root of 315256025 is about 17755.4505715851. The cubic root of 315256025 is about 680.5935021709.

The spelling of 315256025 in words is "three hundred fifteen million, two hundred fifty-six thousand, twenty-five".