265313864 has 8 divisors (see below), whose sum is σ = 497463510. Its totient is φ = 132656928.

The previous prime is 265313863. The next prime is 265313897. The reversal of 265313864 is 468313562.

265313864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166152100 + 99161764 = 12890^2 + 9958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×265313864² = 140782892861220992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265313861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16582109 + ... + 16582124.

Almost surely, 2^265313864 is an apocalyptic number.

It is an amenable number.

265313864 is a deficient number, since it is larger than the sum of its proper divisors (232149646).

265313864 is a wasteful number, since it uses less digits than its factorization.

265313864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33164239 (or 33164235 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 265313864 is about 16288.4579994547. The cubic root of 265313864 is about 642.5693134808.

The spelling of 265313864 in words is "two hundred sixty-five million, three hundred thirteen thousand, eight hundred sixty-four".