904952225 has 6 divisors (see below), whose sum is σ = 1122140790. Its totient is φ = 723961760.

The previous prime is 904952161. The next prime is 904952231. The reversal of 904952225 is 522259409.

It can be written as a sum of positive squares in 3 ways, for example, as 254498209 + 650454016 = 15953^2 + 25504^2 .

It is not a de Polignac number, because 904952225 - 2⁶ = 904952161 is a prime.

It is a super-3 number, since 3×904952225³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18099020 + ... + 18099069.

It is an arithmetic number, because the mean of its divisors is an integer number (187023465).

Almost surely, 2^904952225 is an apocalyptic number.

It is an amenable number.

904952225 is a deficient number, since it is larger than the sum of its proper divisors (217188565).

904952225 is a wasteful number, since it uses less digits than its factorization.

904952225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36198099 (or 36198094 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 904952225 is about 30082.4238551351. The cubic root of 904952225 is about 967.2570059698.

The spelling of 904952225 in words is "nine hundred four million, nine hundred fifty-two thousand, two hundred twenty-five".