265604255 has 24 divisors (see below), whose sum is σ = 376008480. Its totient is φ = 179551680.

The previous prime is 265604239. The next prime is 265604293. The reversal of 265604255 is 552406562.

It is not a de Polignac number, because 265604255 - 2⁴ = 265604239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9761 + ... + 25029.

It is an arithmetic number, because the mean of its divisors is an integer number (15667020).

Almost surely, 2^265604255 is an apocalyptic number.

265604255 is a deficient number, since it is larger than the sum of its proper divisors (110404225).

265604255 is a wasteful number, since it uses less digits than its factorization.

265604255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15359 (or 15352 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 265604255 is about 16297.3695730323. The cubic root of 265604255 is about 642.8036627233.

The spelling of 265604255 in words is "two hundred sixty-five million, six hundred four thousand, two hundred fifty-five".