252406771627 has 2 divisors, whose sum is σ = 252406771628. Its totient is φ = 252406771626.

The previous prime is 252406771607. The next prime is 252406771691. The reversal of 252406771627 is 726177604252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252406771627 is a prime.

It is not a weakly prime, because it can be changed into another prime (252406771607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126203385813 + 126203385814.

It is an arithmetic number, because the mean of its divisors is an integer number (126203385814).

Almost surely, 2^252406771627 is an apocalyptic number.

252406771627 is a deficient number, since it is larger than the sum of its proper divisors (1).

252406771627 is an equidigital number, since it uses as much as digits as its factorization.

252406771627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 252406771627 in words is "two hundred fifty-two billion, four hundred six million, seven hundred seventy-one thousand, six hundred twenty-seven".