252313142569 has 2 divisors, whose sum is σ = 252313142570. Its totient is φ = 252313142568.

The previous prime is 252313142491. The next prime is 252313142579. The reversal of 252313142569 is 965241313252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199083731344 + 53229411225 = 446188^2 + 230715^2 .

It is a cyclic number.

It is not a de Polignac number, because 252313142569 - 2¹⁹ = 252312618281 is a prime.

It is a super-2 number, since 2×252313142569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252313142579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126156571284 + 126156571285.

It is an arithmetic number, because the mean of its divisors is an integer number (126156571285).

Almost surely, 2^252313142569 is an apocalyptic number.

It is an amenable number.

252313142569 is a deficient number, since it is larger than the sum of its proper divisors (1).

252313142569 is an equidigital number, since it uses as much as digits as its factorization.

252313142569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The spelling of 252313142569 in words is "two hundred fifty-two billion, three hundred thirteen million, one hundred forty-two thousand, five hundred sixty-nine".