325691136 has 54 divisors (see below), whose sum is σ = 939054480. Its totient is φ = 108562944.

The previous prime is 325691123. The next prime is 325691137. The reversal of 325691136 is 631196523.

325691136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 325691136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325691137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68376 + ... + 72983.

Almost surely, 2^325691136 is an apocalyptic number.

325691136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

325691136 is an abundant number, since it is smaller than the sum of its proper divisors (613363344).

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

325691136 is a wasteful number, since it uses less digits than its factorization.

325691136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141381 (or 141364 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 325691136 is about 18046.9148609949. The cubic root of 325691136 is about 688.0214523688.

The spelling of 325691136 in words is "three hundred twenty-five million, six hundred ninety-one thousand, one hundred thirty-six".