265086965 has 32 divisors (see below), whose sum is σ = 375580800. Its totient is φ = 177073920.

The previous prime is 265086961. The next prime is 265086971. The reversal of 265086965 is 569680562.

It is not a de Polignac number, because 265086965 - 2² = 265086961 is a prime.

It is a super-2 number, since 2×265086965² = 140542198025822450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265086961) 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, 162926 + ... + 164544.

It is an arithmetic number, because the mean of its divisors is an integer number (11736900).

Almost surely, 2^265086965 is an apocalyptic number.

It is an amenable number.

265086965 is a deficient number, since it is larger than the sum of its proper divisors (110493835).

265086965 is a wasteful number, since it uses less digits than its factorization.

265086965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 265086965 is about 16281.4914857331. The cubic root of 265086965 is about 642.3860840597.

The spelling of 265086965 in words is "two hundred sixty-five million, eighty-six thousand, nine hundred sixty-five".