252999426851 has 2 divisors, whose sum is σ = 252999426852. Its totient is φ = 252999426850.

The previous prime is 252999426809. The next prime is 252999426877. The reversal of 252999426851 is 158624999252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252999426851 - 2³⁰ = 251925685027 is a prime.

It is not a weakly prime, because it can be changed into another prime (252999426881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126499713425 + 126499713426.

It is an arithmetic number, because the mean of its divisors is an integer number (126499713426).

Almost surely, 2^252999426851 is an apocalyptic number.

252999426851 is a deficient number, since it is larger than the sum of its proper divisors (1).

252999426851 is an equidigital number, since it uses as much as digits as its factorization.

252999426851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 62.

The spelling of 252999426851 in words is "two hundred fifty-two billion, nine hundred ninety-nine million, four hundred twenty-six thousand, eight hundred fifty-one".