625428 has 24 divisors (see below), whose sum is σ = 1621760. Its totient is φ = 208440.

The previous prime is 625409. The next prime is 625451. The reversal of 625428 is 824526.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625428.

It is an unprimeable number.

625428 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, 2788 + ... + 3003.

2⁶²⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

625428 is an abundant number, since it is smaller than the sum of its proper divisors (996332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625428 is a wasteful number, since it uses less digits than its factorization.

625428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804 (or 5796 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 625428 is about 790.8400596834. The cubic root of 625428 is about 85.5183094060.

The spelling of 625428 in words is "six hundred twenty-five thousand, four hundred twenty-eight".