325891872 has 36 divisors (see below), whose sum is σ = 926755830. Its totient is φ = 108630528.

The previous prime is 325891847. The next prime is 325891889. The reversal of 325891872 is 278198523.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 175191696 + 150700176 = 13236^2 + 12276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565497 + ... + 566072.

Almost surely, 2^325891872 is an apocalyptic number.

325891872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

325891872 is an abundant number, since it is smaller than the sum of its proper divisors (600863958).

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

325891872 is a wasteful number, since it uses less digits than its factorization.

325891872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131585 (or 1131574 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 325891872 is about 18052.4755089157. The cubic root of 325891872 is about 688.1627747183.

The spelling of 325891872 in words is "three hundred twenty-five million, eight hundred ninety-one thousand, eight hundred seventy-two".