904025 has 6 divisors (see below), whose sum is σ = 1121022. Its totient is φ = 723200.

The previous prime is 904019. The next prime is 904027. The reversal of 904025 is 520409.

It can be written as a sum of positive squares in 3 ways, for example, as 143641 + 760384 = 379^2 + 872^2 .

It is not a de Polignac number, because 904025 - 2¹⁴ = 887641 is a prime.

It is a super-2 number, since 2×904025² = 1634522401250, 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 = 903988 and 904006.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904025.

It is not an unprimeable number, because it can be changed into a prime (904027) 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, 18056 + ... + 18105.

It is an arithmetic number, because the mean of its divisors is an integer number (186837).

2⁹⁰⁴⁰²⁵ is an apocalyptic number.

It is an amenable number.

904025 is a deficient number, since it is larger than the sum of its proper divisors (216997).

904025 is a wasteful number, since it uses less digits than its factorization.

904025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36171 (or 36166 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 904025 is about 950.8022928033. The cubic root of 904025 is about 96.6926538666.

The spelling of 904025 in words is "nine hundred four thousand, twenty-five".