252065577571 has 2 divisors, whose sum is σ = 252065577572. Its totient is φ = 252065577570.

The previous prime is 252065577523. The next prime is 252065577583. The reversal of 252065577571 is 175775560252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252065577571 - 2¹⁷ = 252065446499 is a prime.

It is not a weakly prime, because it can be changed into another prime (252065572571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126032788785 + 126032788786.

It is an arithmetic number, because the mean of its divisors is an integer number (126032788786).

Almost surely, 2^252065577571 is an apocalyptic number.

252065577571 is a deficient number, since it is larger than the sum of its proper divisors (1).

252065577571 is an equidigital number, since it uses as much as digits as its factorization.

252065577571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5145000, while the sum is 52.

The spelling of 252065577571 in words is "two hundred fifty-two billion, sixty-five million, five hundred seventy-seven thousand, five hundred seventy-one".