625478 has 16 divisors (see below), whose sum is σ = 1098240. Its totient is φ = 261576.

The previous prime is 625477. The next prime is 625483. The reversal of 625478 is 874526.

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 625478.

It is not an unprimeable number, because it can be changed into a prime (625477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83 + ... + 1121.

It is an arithmetic number, because the mean of its divisors is an integer number (68640).

2⁶²⁵⁴⁷⁸ is an apocalyptic number.

625478 is a deficient number, since it is larger than the sum of its proper divisors (472762).

625478 is a wasteful number, since it uses less digits than its factorization.

625478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its digits is 13440, while the sum is 32.

The square root of 625478 is about 790.8716710061. The cubic root of 625478 is about 85.5205882729.

The spelling of 625478 in words is "six hundred twenty-five thousand, four hundred seventy-eight".