315072065 has 32 divisors (see below), whose sum is σ = 486604800. Its totient is φ = 190065600.

The previous prime is 315072061. The next prime is 315072071. The reversal of 315072065 is 560270513.

It is not a de Polignac number, because 315072065 - 2² = 315072061 is a prime.

It is a super-2 number, since 2×315072065² = 198540812286728450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315072061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265 + ... + 25134.

It is an arithmetic number, because the mean of its divisors is an integer number (15206400).

Almost surely, 2^315072065 is an apocalyptic number.

315072065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315072065 is a deficient number, since it is larger than the sum of its proper divisors (171532735).

315072065 is a wasteful number, since it uses less digits than its factorization.

315072065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26453.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 315072065 is about 17750.2694345748. The cubic root of 315072065 is about 680.4610951414.

The spelling of 315072065 in words is "three hundred fifteen million, seventy-two thousand, sixty-five".