625584988 has 24 divisors (see below), whose sum is σ = 1253151872. Its totient is φ = 267683184.

The previous prime is 625584983. The next prime is 625585001. The reversal of 625584988 is 889485526.

It is a happy number.

625584988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625584983) 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, 631 + ... + 35377.

Almost surely, 2^625584988 is an apocalyptic number.

It is an amenable number.

625584988 is an abundant number, since it is smaller than the sum of its proper divisors (627566884).

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

625584988 is a wasteful number, since it uses less digits than its factorization.

625584988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35401 (or 35399 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The square root of 625584988 is about 25011.6970235928. The cubic root of 625584988 is about 855.2546409328.

The spelling of 625584988 in words is "six hundred twenty-five million, five hundred eighty-four thousand, nine hundred eighty-eight".