625144038 has 16 divisors (see below), whose sum is σ = 1260134400. Its totient is φ = 206740296.

The previous prime is 625144031. The next prime is 625144067. The reversal of 625144038 is 830441526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625144031) 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, 409438 + ... + 410961.

It is an arithmetic number, because the mean of its divisors is an integer number (78758400).

Almost surely, 2^625144038 is an apocalyptic number.

625144038 is an abundant number, since it is smaller than the sum of its proper divisors (634990362).

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

625144038 is a wasteful number, since it uses less digits than its factorization.

625144038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820531.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 625144038 is about 25002.8805940436. The cubic root of 625144038 is about 855.0536486975.

The spelling of 625144038 in words is "six hundred twenty-five million, one hundred forty-four thousand, thirty-eight".