325979661 has 32 divisors (see below), whose sum is σ = 507386880. Its totient is φ = 182307456.

The previous prime is 325979629. The next prime is 325979681. The reversal of 325979661 is 166979523.

It is not a de Polignac number, because 325979661 - 2⁵ = 325979629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325979661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325979681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379945 + ... + 380801.

It is an arithmetic number, because the mean of its divisors is an integer number (15855840).

Almost surely, 2^325979661 is an apocalyptic number.

It is an amenable number.

325979661 is a deficient number, since it is larger than the sum of its proper divisors (181407219).

325979661 is a wasteful number, since it uses less digits than its factorization.

325979661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its digits is 612360, while the sum is 48.

The square root of 325979661 is about 18054.9068399701. The cubic root of 325979661 is about 688.2245617742.

The spelling of 325979661 in words is "three hundred twenty-five million, nine hundred seventy-nine thousand, six hundred sixty-one".