264335265 has 32 divisors (see below), whose sum is σ = 477648000. Its totient is φ = 138663360.

The previous prime is 264335257. The next prime is 264335273. The reversal of 264335265 is 562533462.

264335265 is a `hidden beast` number, since 2 + 64 + 335 + 265 = 666.

It is an interprime number because it is at equal distance from previous prime (264335257) and next prime (264335273).

It is not a de Polignac number, because 264335265 - 2³ = 264335257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7815 + ... + 24284.

It is an arithmetic number, because the mean of its divisors is an integer number (14926500).

Almost surely, 2^264335265 is an apocalyptic number.

It is an amenable number.

264335265 is a deficient number, since it is larger than the sum of its proper divisors (213312735).

264335265 is a wasteful number, since it uses less digits than its factorization.

264335265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32174 (or 32168 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 264335265 is about 16258.3906030087. The cubic root of 264335265 is about 641.7783102155.

The spelling of 264335265 in words is "two hundred sixty-four million, three hundred thirty-five thousand, two hundred sixty-five".