325105631 has 4 divisors (see below), whose sum is σ = 336316200. Its totient is φ = 313895064.

The previous prime is 325105607. The next prime is 325105699. The reversal of 325105631 is 136501523.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325105631 is a prime.

It is a super-2 number, since 2×325105631² = 211387342615816322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325105631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325104631) 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, 5605241 + ... + 5605298.

It is an arithmetic number, because the mean of its divisors is an integer number (84079050).

Almost surely, 2^325105631 is an apocalyptic number.

325105631 is a deficient number, since it is larger than the sum of its proper divisors (11210569).

325105631 is a wasteful number, since it uses less digits than its factorization.

325105631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210568.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 325105631 is about 18030.6858161302. The cubic root of 325105631 is about 687.6089125966.

The spelling of 325105631 in words is "three hundred twenty-five million, one hundred five thousand, six hundred thirty-one".