625463456 has 24 divisors (see below), whose sum is σ = 1303816500. Its totient is φ = 294335488.

The previous prime is 625463383. The next prime is 625463477. The reversal of 625463456 is 654364526.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 619213456 + 6250000 = 24884^2 + 2500^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574331 + ... + 575418.

Almost surely, 2^625463456 is an apocalyptic number.

It is an amenable number.

625463456 is an abundant number, since it is smaller than the sum of its proper divisors (678353044).

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

625463456 is a wasteful number, since it uses less digits than its factorization.

625463456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149776 (or 1149768 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 625463456 is about 25009.2674023051. The cubic root of 625463456 is about 855.1992540866.

The spelling of 625463456 in words is "six hundred twenty-five million, four hundred sixty-three thousand, four hundred fifty-six".