904970225 has 6 divisors (see below), whose sum is σ = 1122163110. Its totient is φ = 723976160.

The previous prime is 904970221. The next prime is 904970237. The reversal of 904970225 is 522079409.

It can be written as a sum of positive squares in 3 ways, for example, as 4490161 + 900480064 = 2119^2 + 30008^2 .

It is not a de Polignac number, because 904970225 - 2² = 904970221 is a prime.

It is a super-2 number, since 2×904970225² = 1637942216273101250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (904970221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18099380 + ... + 18099429.

It is an arithmetic number, because the mean of its divisors is an integer number (187027185).

Almost surely, 2^904970225 is an apocalyptic number.

It is an amenable number.

904970225 is a deficient number, since it is larger than the sum of its proper divisors (217192885).

904970225 is a wasteful number, since it uses less digits than its factorization.

904970225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36198819 (or 36198814 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 904970225 is about 30082.7230316672. The cubic root of 904970225 is about 967.2634190195.

The spelling of 904970225 in words is "nine hundred four million, nine hundred seventy thousand, two hundred twenty-five".