625004 has 24 divisors (see below), whose sum is σ = 1161888. Its totient is φ = 293760.

The previous prime is 624997. The next prime is 625007. The reversal of 625004 is 400526.

625004 = 21² + 22² + ... + 123².

It is not an unprimeable number, because it can be changed into a prime (625007) by changing a digit.

625004 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6017 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (48412).

2⁶²⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

625004 is a deficient number, since it is larger than the sum of its proper divisors (536884).

625004 is a wasteful number, since it uses less digits than its factorization.

625004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 625004 is about 790.5719448602. The cubic root of 625004 is about 85.4989797309.

It can be divided in two parts, 62500 and 4, that multiplied together give a square (250000 = 500²).

The spelling of 625004 in words is "six hundred twenty-five thousand, four".