725325164 has 12 divisors (see below), whose sum is σ = 1273325424. Its totient is φ = 361517904.

The previous prime is 725325157. The next prime is 725325199. The reversal of 725325164 is 461523527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284744 + ... + 287279.

It is an arithmetic number, because the mean of its divisors is an integer number (106110452).

Almost surely, 2^725325164 is an apocalyptic number.

It is an amenable number.

725325164 is a deficient number, since it is larger than the sum of its proper divisors (548000260).

725325164 is a wasteful number, since it uses less digits than its factorization.

725325164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572344 (or 572342 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 725325164 is about 26931.8615026886. The cubic root of 725325164 is about 898.4851735755.

The spelling of 725325164 in words is "seven hundred twenty-five million, three hundred twenty-five thousand, one hundred sixty-four".