252227791 has 2 divisors, whose sum is σ = 252227792. Its totient is φ = 252227790.

The previous prime is 252227771. The next prime is 252227813. The reversal of 252227791 is 197722252.

252227791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252227791 - 2¹⁹ = 251703503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252227791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252227711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126113895 + 126113896.

It is an arithmetic number, because the mean of its divisors is an integer number (126113896).

Almost surely, 2^252227791 is an apocalyptic number.

252227791 is a deficient number, since it is larger than the sum of its proper divisors (1).

252227791 is an equidigital number, since it uses as much as digits as its factorization.

252227791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 252227791 is about 15881.6809878552. The cubic root of 252227791 is about 631.8262212151.

The spelling of 252227791 in words is "two hundred fifty-two million, two hundred twenty-seven thousand, seven hundred ninety-one".