904224925 has 12 divisors (see below), whose sum is σ = 1124047476. Its totient is φ = 721568000.

The previous prime is 904224913. The next prime is 904224943. The reversal of 904224925 is 529422409.

It can be written as a sum of positive squares in 6 ways, for example, as 48135844 + 856089081 = 6938^2 + 29259^2 .

It is not a de Polignac number, because 904224925 - 2⁹ = 904224413 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 35074 + ... + 55123.

It is an arithmetic number, because the mean of its divisors is an integer number (93670623).

Almost surely, 2^904224925 is an apocalyptic number.

It is an amenable number.

904224925 is a deficient number, since it is larger than the sum of its proper divisors (219822551).

904224925 is a wasteful number, since it uses less digits than its factorization.

904224925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90608 (or 90603 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 904224925 is about 30070.3329712193. The cubic root of 904224925 is about 966.9978119680.

The spelling of 904224925 in words is "nine hundred four million, two hundred twenty-four thousand, nine hundred twenty-five".