625678484 has 6 divisors (see below), whose sum is σ = 1094937354. Its totient is φ = 312839240.

The previous prime is 625678477. The next prime is 625678513. The reversal of 625678484 is 484876526.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 548590084 + 77088400 = 23422^2 + 8780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78209807 + ... + 78209814.

It is an arithmetic number, because the mean of its divisors is an integer number (182489559).

Almost surely, 2^625678484 is an apocalyptic number.

It is an amenable number.

625678484 is a deficient number, since it is larger than the sum of its proper divisors (469258870).

625678484 is a wasteful number, since it uses less digits than its factorization.

625678484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156419625 (or 156419623 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 625678484 is about 25013.5659992733. The cubic root of 625678484 is about 855.2972458046.

The spelling of 625678484 in words is "six hundred twenty-five million, six hundred seventy-eight thousand, four hundred eighty-four".