478825 has 12 divisors (see below), whose sum is σ = 602640. Its totient is φ = 377360.

The previous prime is 478823. The next prime is 478831. The reversal of 478825 is 528874.

It is not a de Polignac number, because 478825 - 2¹ = 478823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2586 + ... + 2764.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁴⁷⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

478825 is a deficient number, since it is larger than the sum of its proper divisors (123815).

478825 is a wasteful number, since it uses less digits than its factorization.

478825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 291 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 478825 is about 691.9718202355. The cubic root of 478825 is about 78.2334121562.

The spelling of 478825 in words is "four hundred seventy-eight thousand, eight hundred twenty-five".