325136631 has 8 divisors (see below), whose sum is σ = 443597440. Its totient is φ = 211716792.

The previous prime is 325136599. The next prime is 325136653. The reversal of 325136631 is 136631523.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325136631 - 2⁵ = 325136599 is a prime.

It is a super-2 number, since 2×325136631² = 211427657636060322, 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 (325136431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260091 + ... + 1260348.

It is an arithmetic number, because the mean of its divisors is an integer number (55449680).

Almost surely, 2^325136631 is an apocalyptic number.

325136631 is a deficient number, since it is larger than the sum of its proper divisors (118460809).

325136631 is a wasteful number, since it uses less digits than its factorization.

325136631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520485.

The product of its digits is 9720, while the sum is 30.

The square root of 325136631 is about 18031.5454412538. The cubic root of 325136631 is about 687.6307672358.

The spelling of 325136631 in words is "three hundred twenty-five million, one hundred thirty-six thousand, six hundred thirty-one".