264005375 has 16 divisors (see below), whose sum is σ = 330894720. Its totient is φ = 210296800.

The previous prime is 264005363. The next prime is 264005389. The reversal of 264005375 is 573500462.

It is not a de Polignac number, because 264005375 - 2²⁴ = 247228159 is a prime.

It is a congruent 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, 25457 + ... + 34293.

It is an arithmetic number, because the mean of its divisors is an integer number (20680920).

Almost surely, 2^264005375 is an apocalyptic number.

264005375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264005375 is a deficient number, since it is larger than the sum of its proper divisors (66889345).

264005375 is an equidigital number, since it uses as much as digits as its factorization.

264005375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091 (or 9081 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 264005375 is about 16248.2422126210. The cubic root of 264005375 is about 641.5112196305.

The spelling of 264005375 in words is "two hundred sixty-four million, five thousand, three hundred seventy-five".