625842 has 24 divisors (see below), whose sum is σ = 1550016. Its totient is φ = 178776.

The previous prime is 625837. The next prime is 625861. The reversal of 625842 is 248526.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625842.

It is an unprimeable number.

625842 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 11 ways as a sum of consecutive naturals, for example, 2358 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (64584).

2⁶²⁵⁸⁴² is an apocalyptic number.

625842 is an abundant number, since it is smaller than the sum of its proper divisors (924174).

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

625842 is a wasteful number, since it uses less digits than its factorization.

625842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4979 counting only the distinct ones).

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

The square root of 625842 is about 791.1017633655. The cubic root of 625842 is about 85.5371747649.

The spelling of 625842 in words is "six hundred twenty-five thousand, eight hundred forty-two".