264338025 has 24 divisors (see below), whose sum is σ = 499473984. Its totient is φ = 120840000.

The previous prime is 264338021. The next prime is 264338047. The reversal of 264338025 is 520833462.

It is a happy number.

It is not a de Polignac number, because 264338025 - 2² = 264338021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264338021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251226 + ... + 252275.

It is an arithmetic number, because the mean of its divisors is an integer number (20811416).

Almost surely, 2^264338025 is an apocalyptic number.

264338025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264338025 is a deficient number, since it is larger than the sum of its proper divisors (235135959).

264338025 is a wasteful number, since it uses less digits than its factorization.

264338025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503521 (or 503516 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 264338025 is about 16258.4754820371. The cubic root of 264338025 is about 641.7805438713.

The spelling of 264338025 in words is "two hundred sixty-four million, three hundred thirty-eight thousand, twenty-five".