252625137650 has 12 divisors (see below), whose sum is σ = 469882756122. Its totient is φ = 101050055040.

The previous prime is 252625137637. The next prime is 252625137679. The reversal of 252625137650 is 56731526252.

It can be written as a sum of positive squares in 3 ways, for example, as 212597532889 + 40027604761 = 461083^2 + 200069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2526251327 + ... + 2526251426.

Almost surely, 2^252625137650 is an apocalyptic number.

252625137650 is a deficient number, since it is larger than the sum of its proper divisors (217257618472).

252625137650 is a wasteful number, since it uses less digits than its factorization.

252625137650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052502765 (or 5052502760 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 252625137650 in words is "two hundred fifty-two billion, six hundred twenty-five million, one hundred thirty-seven thousand, six hundred fifty".