625505448 has 16 divisors (see below), whose sum is σ = 1563763680. Its totient is φ = 208501808.

The previous prime is 625505393. The next prime is 625505453. The reversal of 625505448 is 844505526.

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, 13031340 + ... + 13031387.

It is an arithmetic number, because the mean of its divisors is an integer number (97735230).

Almost surely, 2^625505448 is an apocalyptic number.

It is an amenable number.

625505448 is an abundant number, since it is smaller than the sum of its proper divisors (938258232).

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

625505448 is a wasteful number, since it uses less digits than its factorization.

625505448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26062736 (or 26062732 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 625505448 is about 25010.1069170046. The cubic root of 625505448 is about 855.2183922809.

The spelling of 625505448 in words is "six hundred twenty-five million, five hundred five thousand, four hundred forty-eight".