325439668 has 6 divisors (see below), whose sum is σ = 569519426. Its totient is φ = 162719832.

The previous prime is 325439633. The next prime is 325439671. The reversal of 325439668 is 866934523.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 314069284 + 11370384 = 17722^2 + 3372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40679955 + ... + 40679962.

Almost surely, 2^325439668 is an apocalyptic number.

It is an amenable number.

325439668 is a deficient number, since it is larger than the sum of its proper divisors (244079758).

325439668 is a wasteful number, since it uses less digits than its factorization.

325439668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81359921 (or 81359919 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 325439668 is about 18039.9464522487. The cubic root of 325439668 is about 687.8443316683.

The spelling of 325439668 in words is "three hundred twenty-five million, four hundred thirty-nine thousand, six hundred sixty-eight".