252298561250 has 30 divisors (see below), whose sum is σ = 472941712551. Its totient is φ = 100912321000.

The previous prime is 252298561237. The next prime is 252298561261. The reversal of 252298561250 is 52165892252.

It can be written as a sum of positive squares in 3 ways, for example, as 58331427361 + 193967133889 = 241519^2 + 440417^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355175.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252298561195 and 252298561204.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17751647 + ... + 17765853.

Almost surely, 2^252298561250 is an apocalyptic number.

252298561250 is a deficient number, since it is larger than the sum of its proper divisors (220643151301).

252298561250 is an frugal number, since it uses more digits than its factorization.

252298561250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28436 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 252298561250 in words is "two hundred fifty-two billion, two hundred ninety-eight million, five hundred sixty-one thousand, two hundred fifty".