325025631 has 24 divisors (see below), whose sum is σ = 545650560. Its totient is φ = 182578896.

The previous prime is 325025621. The next prime is 325025641. The reversal of 325025631 is 136520523.

325025631 is a `hidden beast` number, since 3 + 2 + 5 + 0 + 25 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (325025621) and next prime (325025641).

It is not a de Polignac number, because 325025631 - 2¹⁸ = 324763487 is a prime.

It is a super-2 number, since 2×325025631² = 211283321613896322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325025595 and 325025604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325025611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40005 + ... + 47438.

It is an arithmetic number, because the mean of its divisors is an integer number (22735440).

Almost surely, 2^325025631 is an apocalyptic number.

325025631 is a deficient number, since it is larger than the sum of its proper divisors (220624929).

325025631 is a wasteful number, since it uses less digits than its factorization.

325025631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87515 (or 87512 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 325025631 is about 18028.4672393412. The cubic root of 325025631 is about 687.5525071082.

The spelling of 325025631 in words is "three hundred twenty-five million, twenty-five thousand, six hundred thirty-one".