325557648 has 60 divisors (see below), whose sum is σ = 981200220. Its totient is φ = 100171008.

The previous prime is 325557613. The next prime is 325557653. The reversal of 325557648 is 846755523.

325557648 is a `hidden beast` number, since 32 + 5 + 5 + 576 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 298183824 = 5232^2 + 17268^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85083 + ... + 88826.

It is an arithmetic number, because the mean of its divisors is an integer number (16353337).

Almost surely, 2^325557648 is an apocalyptic number.

It is an amenable number.

325557648 is an abundant number, since it is smaller than the sum of its proper divisors (655642572).

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

325557648 is a wasteful number, since it uses less digits than its factorization.

325557648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173936 (or 173927 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 325557648 is about 18043.2161213017. The cubic root of 325557648 is about 687.9274418704.

The spelling of 325557648 in words is "three hundred twenty-five million, five hundred fifty-seven thousand, six hundred forty-eight".