804425 has 12 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 615120.

The previous prime is 804409. The next prime is 804443. The reversal of 804425 is 524408.

It is not a de Polignac number, because 804425 - 2⁴ = 804409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 804425.

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, 125 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2⁸⁰⁴⁴²⁵ is an apocalyptic number.

It is an amenable number.

804425 is a deficient number, since it is larger than the sum of its proper divisors (237175).

804425 is a wasteful number, since it uses less digits than its factorization.

804425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 804425 is about 896.8974300331. The cubic root of 804425 is about 93.0026206530.

The spelling of 804425 in words is "eight hundred four thousand, four hundred twenty-five".