252904371791 has 2 divisors, whose sum is σ = 252904371792. Its totient is φ = 252904371790.

The previous prime is 252904371763. The next prime is 252904371793. The reversal of 252904371791 is 197173409252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252904371791 is a prime.

Together with 252904371793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252904371793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126452185895 + 126452185896.

It is an arithmetic number, because the mean of its divisors is an integer number (126452185896).

Almost surely, 2^252904371791 is an apocalyptic number.

252904371791 is a deficient number, since it is larger than the sum of its proper divisors (1).

252904371791 is an equidigital number, since it uses as much as digits as its factorization.

252904371791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 252904371791 in words is "two hundred fifty-two billion, nine hundred four million, three hundred seventy-one thousand, seven hundred ninety-one".