325225631 has 4 divisors (see below), whose sum is σ = 325673712. Its totient is φ = 324777552.

The previous prime is 325225627. The next prime is 325225661. The reversal of 325225631 is 136522523.

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 325225631 - 2² = 325225627 is a prime.

It is a super-2 number, since 2×325225631² = 211543422118696322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325225594 and 325225603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325225661) 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, 222950 + ... + 224403.

It is an arithmetic number, because the mean of its divisors is an integer number (81418428).

Almost surely, 2^325225631 is an apocalyptic number.

325225631 is a deficient number, since it is larger than the sum of its proper divisors (448081).

325225631 is an equidigital number, since it uses as much as digits as its factorization.

325225631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448080.

The product of its digits is 10800, while the sum is 29.

The square root of 325225631 is about 18034.0131695638. The cubic root of 325225631 is about 687.6935034819.

The spelling of 325225631 in words is "three hundred twenty-five million, two hundred twenty-five thousand, six hundred thirty-one".