264523065 has 16 divisors (see below), whose sum is σ = 437832000. Its totient is φ = 136213952.

The previous prime is 264523001. The next prime is 264523079. The reversal of 264523065 is 560325462.

It is a cyclic number.

It is not a de Polignac number, because 264523065 - 2⁶ = 264523001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303615 + ... + 304484.

It is an arithmetic number, because the mean of its divisors is an integer number (27364500).

Almost surely, 2^264523065 is an apocalyptic number.

It is an amenable number.

264523065 is a deficient number, since it is larger than the sum of its proper divisors (173308935).

264523065 is a wasteful number, since it uses less digits than its factorization.

264523065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608136.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 264523065 is about 16264.1650569588. The cubic root of 264523065 is about 641.9302604732.

The spelling of 264523065 in words is "two hundred sixty-four million, five hundred twenty-three thousand, sixty-five".