264625625 has 40 divisors (see below), whose sum is σ = 367232448. Its totient is φ = 189000000.

The previous prime is 264625583. The next prime is 264625631. The reversal of 264625625 is 526526462.

It is not a de Polignac number, because 264625625 - 2²⁰ = 263577049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 419060 + ... + 419690.

Almost surely, 2^264625625 is an apocalyptic number.

264625625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264625625 is a deficient number, since it is larger than the sum of its proper divisors (102606823).

264625625 is an equidigital number, since it uses as much as digits as its factorization.

264625625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 708 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 264625625 is about 16267.3176953055. The cubic root of 264625625 is about 642.0132121063.

The spelling of 264625625 in words is "two hundred sixty-four million, six hundred twenty-five thousand, six hundred twenty-five".