325997632 has 14 divisors (see below), whose sum is σ = 646901678. Its totient is φ = 162998784.

The previous prime is 325997629. The next prime is 325997641. The reversal of 325997632 is 236799523.

It can be written as a sum of positive squares in only one way, i.e., 293916736 + 32080896 = 17144^2 + 5664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546793 + ... + 2546920.

Almost surely, 2^325997632 is an apocalyptic number.

325997632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

325997632 is a deficient number, since it is larger than the sum of its proper divisors (320904046).

325997632 is an equidigital number, since it uses as much as digits as its factorization.

325997632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093725 (or 5093715 counting only the distinct ones).

The product of its digits is 612360, while the sum is 46.

The square root of 325997632 is about 18055.4045094537. The cubic root of 325997632 is about 688.2372086331.

The spelling of 325997632 in words is "three hundred twenty-five million, nine hundred ninety-seven thousand, six hundred thirty-two".