325985636 has 12 divisors (see below), whose sum is σ = 590146620. Its totient is φ = 157372320.

The previous prime is 325985633. The next prime is 325985657. The reversal of 325985636 is 636589523.

It can be written as a sum of positive squares in 2 ways, for example, as 59969536 + 266016100 = 7744^2 + 16310^2 .

It is not an unprimeable number, because it can be changed into a prime (325985633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404995 + ... + 1405226.

It is an arithmetic number, because the mean of its divisors is an integer number (49178885).

Almost surely, 2^325985636 is an apocalyptic number.

It is an amenable number.

325985636 is a deficient number, since it is larger than the sum of its proper divisors (264160984).

325985636 is a wasteful number, since it uses less digits than its factorization.

325985636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810254 (or 2810252 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The square root of 325985636 is about 18055.0723066954. The cubic root of 325985636 is about 688.2287666547.

The spelling of 325985636 in words is "three hundred twenty-five million, nine hundred eighty-five thousand, six hundred thirty-six".