625473271028 has 12 divisors (see below), whose sum is σ = 1094586336900. Its totient is φ = 312734317632.

The previous prime is 625473271009. The next prime is 625473271079. The reversal of 625473271028 is 820172374526.

It can be written as a sum of positive squares in 2 ways, for example, as 544824086884 + 80649184144 = 738122^2 + 283988^2 .

It is a congruent number.

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, 122048 + ... + 1125096.

It is an arithmetic number, because the mean of its divisors is an integer number (91215528075).

Almost surely, 2^625473271028 is an apocalyptic number.

It is an amenable number.

625473271028 is a deficient number, since it is larger than the sum of its proper divisors (469113065872).

625473271028 is a wasteful number, since it uses less digits than its factorization.

625473271028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158946 (or 1158944 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 625473271028 in words is "six hundred twenty-five billion, four hundred seventy-three million, two hundred seventy-one thousand, twenty-eight".