265264 has 20 divisors (see below), whose sum is σ = 524520. Its totient is φ = 129920.

The previous prime is 265261. The next prime is 265271. The reversal of 265264 is 462562.

It is not an unprimeable number, because it can be changed into a prime (265261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (26226).

2²⁶⁵²⁶⁴ is an apocalyptic number.

It is an amenable number.

265264 is a deficient number, since it is larger than the sum of its proper divisors (259256).

265264 is a wasteful number, since it uses less digits than its factorization.

265264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 342 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 265264 is about 515.0378626858. The cubic root of 265264 is about 64.2529055396.

It can be divided in two parts, 265 and 264, that added together give a square (529 = 23²).

The spelling of 265264 in words is "two hundred sixty-five thousand, two hundred sixty-four".