625152723556 has 27 divisors (see below), whose sum is σ = 1154683136019. Its totient is φ = 296110742328.

The previous prime is 625152723541. The next prime is 625152723581. The reversal of 625152723556 is 655327251526.

The square root of 625152723556 is 790666.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30034905 + ... + 30055711.

Almost surely, 2^625152723556 is an apocalyptic number.

625152723556 is the 790666-th square number.

It is an amenable number.

625152723556 is a deficient number, since it is larger than the sum of its proper divisors (529530412463).

625152723556 is an frugal number, since it uses more digits than its factorization.

625152723556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41656 (or 20828 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 49.

Multiplying 625152723556 by its sum of digits (49), we get a square (30632483454244 = 5534662²).

The spelling of 625152723556 in words is "six hundred twenty-five billion, one hundred fifty-two million, seven hundred twenty-three thousand, five hundred fifty-six".