265265 has 32 divisors (see below), whose sum is σ = 435456. Its totient is φ = 149760.

The previous prime is 265261. The next prime is 265271. The reversal of 265265 is 562562.

It is a happy number.

It is not a de Polignac number, because 265265 - 2² = 265261 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265261) 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, 4979 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2²⁶⁵²⁶⁵ is an apocalyptic number.

It is an amenable number.

265265 is a deficient number, since it is larger than the sum of its proper divisors (170191).

265265 is a wasteful number, since it uses less digits than its factorization.

265265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89.

The product of its digits is 3600, while the sum is 26.

The square root of 265265 is about 515.0388334873. The cubic root of 265265 is about 64.2529862804.

The spelling of 265265 in words is "two hundred sixty-five thousand, two hundred sixty-five".