325681992 has 64 divisors (see below), whose sum is σ = 929145600. Its totient is φ = 105624000.

The previous prime is 325681969. The next prime is 325681997. The reversal of 325681992 is 299186523.

It is not an unprimeable number, because it can be changed into a prime (325681997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12384 + ... + 28367.

It is an arithmetic number, because the mean of its divisors is an integer number (14517900).

Almost surely, 2^325681992 is an apocalyptic number.

It is an amenable number.

325681992 is an abundant number, since it is smaller than the sum of its proper divisors (603463608).

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

325681992 is a wasteful number, since it uses less digits than its factorization.

325681992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40803 (or 40793 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 325681992 is about 18046.6615195166. The cubic root of 325681992 is about 688.0150134185.

The spelling of 325681992 in words is "three hundred twenty-five million, six hundred eighty-one thousand, nine hundred ninety-two".