252333801691 has 2 divisors, whose sum is σ = 252333801692. Its totient is φ = 252333801690.

The previous prime is 252333801683. The next prime is 252333801793. The reversal of 252333801691 is 196108333252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252333801691 - 2³ = 252333801683 is a prime.

It is not a weakly prime, because it can be changed into another prime (252333801611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126166900845 + 126166900846.

It is an arithmetic number, because the mean of its divisors is an integer number (126166900846).

Almost surely, 2^252333801691 is an apocalyptic number.

252333801691 is a deficient number, since it is larger than the sum of its proper divisors (1).

252333801691 is an equidigital number, since it uses as much as digits as its factorization.

252333801691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 252333801691 in words is "two hundred fifty-two billion, three hundred thirty-three million, eight hundred one thousand, six hundred ninety-one".