264424725 has 36 divisors (see below), whose sum is σ = 481665600. Its totient is φ = 138629280.

The previous prime is 264424709. The next prime is 264424753. The reversal of 264424725 is 527424462.

264424725 is a `hidden beast` number, since 2 + 644 + 2 + 4 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 264424725 - 2⁴ = 264424709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264424725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3316 + ... + 23234.

It is an arithmetic number, because the mean of its divisors is an integer number (13379600).

Almost surely, 2^264424725 is an apocalyptic number.

264424725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264424725 is a deficient number, since it is larger than the sum of its proper divisors (217240875).

264424725 is a wasteful number, since it uses less digits than its factorization.

264424725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19994 (or 19986 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 264424725 is about 16261.1415650931. The cubic root of 264424725 is about 641.8507018832.

The spelling of 264424725 in words is "two hundred sixty-four million, four hundred twenty-four thousand, seven hundred twenty-five".