315489925 has 24 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 245380800.

The previous prime is 315489913. The next prime is 315489929. The reversal of 315489925 is 529984513.

It is not a de Polignac number, because 315489925 - 2¹¹ = 315487877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315489929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288630 + ... + 289720.

It is an arithmetic number, because the mean of its divisors is an integer number (16756740).

Almost surely, 2^315489925 is an apocalyptic number.

It is an amenable number.

315489925 is a deficient number, since it is larger than the sum of its proper divisors (86671835).

315489925 is a wasteful number, since it uses less digits than its factorization.

315489925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1408 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 315489925 is about 17762.0360600918. The cubic root of 315489925 is about 680.7617796490.

The spelling of 315489925 in words is "three hundred fifteen million, four hundred eighty-nine thousand, nine hundred twenty-five".