325297920 has 72 divisors (see below), whose sum is σ = 1038932496. Its totient is φ = 86745088.

The previous prime is 325297913. The next prime is 325297957. The reversal of 325297920 is 29792523.

325297920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38517 + ... + 46196.

It is an arithmetic number, because the mean of its divisors is an integer number (14429618).

Almost surely, 2^325297920 is an apocalyptic number.

325297920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325297920 is an abundant number, since it is smaller than the sum of its proper divisors (713634576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325297920 is an equidigital number, since it uses as much as digits as its factorization.

325297920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84737 (or 84723 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 325297920 is about 18036.0172987276. The cubic root of 325297920 is about 687.7444516936.

The spelling of 325297920 in words is "three hundred twenty-five million, two hundred ninety-seven thousand, nine hundred twenty".