265253265 has 32 divisors (see below), whose sum is σ = 472867200. Its totient is φ = 141076800.

The previous prime is 265253257. The next prime is 265253279. The reversal of 265253265 is 562352562.

265253265 is a `hidden beast` number, since 2 + 65 + 2 + 532 + 65 = 666.

It is not a de Polignac number, because 265253265 - 2³ = 265253257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49990 + ... + 55040.

It is an arithmetic number, because the mean of its divisors is an integer number (14777100).

Almost surely, 2^265253265 is an apocalyptic number.

It is an amenable number.

265253265 is a deficient number, since it is larger than the sum of its proper divisors (207613935).

265253265 is a wasteful number, since it uses less digits than its factorization.

265253265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454 (or 5448 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 265253265 is about 16286.5977110015. The cubic root of 265253265 is about 642.5203877516.

The spelling of 265253265 in words is "two hundred sixty-five million, two hundred fifty-three thousand, two hundred sixty-five".