265051264 has 32 divisors (see below), whose sum is σ = 550995840. Its totient is φ = 126762240.

The previous prime is 265051261. The next prime is 265051289. The reversal of 265051264 is 462150562.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (265051261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42072 + ... + 47959.

It is an arithmetic number, because the mean of its divisors is an integer number (17218620).

Almost surely, 2^265051264 is an apocalyptic number.

It is an amenable number.

265051264 is an abundant number, since it is smaller than the sum of its proper divisors (285944576).

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

265051264 is an equidigital number, since it uses as much as digits as its factorization.

265051264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90068 (or 90056 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 265051264 is about 16280.3950812012. The cubic root of 265051264 is about 642.3572446494.

The spelling of 265051264 in words is "two hundred sixty-five million, fifty-one thousand, two hundred sixty-four".