325657672 has 16 divisors (see below), whose sum is σ = 618973740. Its totient is φ = 160598016.

The previous prime is 325657669. The next prime is 325657681. The reversal of 325657672 is 276756523.

It can be written as a sum of positive squares in 2 ways, for example, as 324504196 + 1153476 = 18014^2 + 1074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278233 + ... + 279400.

Almost surely, 2^325657672 is an apocalyptic number.

It is an amenable number.

325657672 is a deficient number, since it is larger than the sum of its proper divisors (293316068).

325657672 is a wasteful number, since it uses less digits than its factorization.

325657672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557712 (or 557708 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The square root of 325657672 is about 18045.9876981007. The cubic root of 325657672 is about 687.9978873651.

The spelling of 325657672 in words is "three hundred twenty-five million, six hundred fifty-seven thousand, six hundred seventy-two".