325643404225 has 12 divisors (see below), whose sum is σ = 403805761920. Its totient is φ = 260509600400.

The previous prime is 325643404183. The next prime is 325643404231. The reversal of 325643404225 is 522404346523.

It is not a de Polignac number, because 325643404225 - 2³³ = 317053469633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1655880 + ... + 1842070.

It is an arithmetic number, because the mean of its divisors is an integer number (33650480160).

Almost surely, 2^325643404225 is an apocalyptic number.

It is an amenable number.

325643404225 is a deficient number, since it is larger than the sum of its proper divisors (78162357695).

325643404225 is a wasteful number, since it uses less digits than its factorization.

325643404225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256160 (or 256155 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 325643404225 in words is "three hundred twenty-five billion, six hundred forty-three million, four hundred four thousand, two hundred twenty-five".