325563720 has 64 divisors (see below), whose sum is σ = 991293120. Its totient is φ = 85519104.

The previous prime is 325563713. The next prime is 325563731. The reversal of 325563720 is 27365523.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12207 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (15488955).

Almost surely, 2^325563720 is an apocalyptic number.

325563720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325563720 is an abundant number, since it is smaller than the sum of its proper divisors (665729400).

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

325563720 is a wasteful number, since it uses less digits than its factorization.

325563720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40574 (or 40570 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 325563720 is about 18043.3843832026. The cubic root of 325563720 is about 687.9317187058.

The spelling of 325563720 in words is "three hundred twenty-five million, five hundred sixty-three thousand, seven hundred twenty".