325398631 has 4 divisors (see below), whose sum is σ = 327034000. Its totient is φ = 323763264.

The previous prime is 325398569. The next prime is 325398637. The reversal of 325398631 is 136893523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325398631 - 2¹¹ = 325396583 is a prime.

It is a super-2 number, since 2×325398631² = 211768538113348322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325398637) 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, 817386 + ... + 817783.

It is an arithmetic number, because the mean of its divisors is an integer number (81758500).

Almost surely, 2^325398631 is an apocalyptic number.

325398631 is a deficient number, since it is larger than the sum of its proper divisors (1635369).

325398631 is a wasteful number, since it uses less digits than its factorization.

325398631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635368.

The product of its digits is 116640, while the sum is 40.

The square root of 325398631 is about 18038.8090238796. The cubic root of 325398631 is about 687.8154187267.

The spelling of 325398631 in words is "three hundred twenty-five million, three hundred ninety-eight thousand, six hundred thirty-one".