252500000251 has 2 divisors, whose sum is σ = 252500000252. Its totient is φ = 252500000250.

The previous prime is 252500000227. The next prime is 252500000279. The reversal of 252500000251 is 152000005252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252500000251 - 2⁵ = 252500000219 is a prime.

It is not a weakly prime, because it can be changed into another prime (252500000551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250000125 + 126250000126.

It is an arithmetic number, because the mean of its divisors is an integer number (126250000126).

Almost surely, 2^252500000251 is an apocalyptic number.

252500000251 is a deficient number, since it is larger than the sum of its proper divisors (1).

252500000251 is an equidigital number, since it uses as much as digits as its factorization.

252500000251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 252500000251 in words is "two hundred fifty-two billion, five hundred million, two hundred fifty-one", and thus it is an aban number.