15315264 has 56 divisors (see below), whose sum is σ = 45029120. Its totient is φ = 5104512.

The previous prime is 15315259. The next prime is 15315269. The reversal of 15315264 is 46251351.

It is an interprime number because it is at equal distance from previous prime (15315259) and next prime (15315269).

It is a super-2 number, since 2×15315264² = 469114622779392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15315269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704 + ... + 6159.

Almost surely, 2^15315264 is an apocalyptic number.

It is an amenable number.

15315264 is an abundant number, since it is smaller than the sum of its proper divisors (29713856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15315264 is an equidigital number, since it uses as much as digits as its factorization.

15315264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884 (or 8868 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 15315264 is about 3913.4721156538. The cubic root of 15315264 is about 248.3370374155.

The spelling of 15315264 in words is "fifteen million, three hundred fifteen thousand, two hundred sixty-four".