252808050091 has 2 divisors, whose sum is σ = 252808050092. Its totient is φ = 252808050090.

The previous prime is 252808050023. The next prime is 252808050113. The reversal of 252808050091 is 190050808252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252808050091 - 2²¹ = 252805952939 is a prime.

It is not a weakly prime, because it can be changed into another prime (252808050491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126404025045 + 126404025046.

It is an arithmetic number, because the mean of its divisors is an integer number (126404025046).

Almost surely, 2^252808050091 is an apocalyptic number.

252808050091 is a deficient number, since it is larger than the sum of its proper divisors (1).

252808050091 is an equidigital number, since it uses as much as digits as its factorization.

252808050091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 252808050091 in words is "two hundred fifty-two billion, eight hundred eight million, fifty thousand, ninety-one".