252303311389 has 2 divisors, whose sum is σ = 252303311390. Its totient is φ = 252303311388.

The previous prime is 252303311353. The next prime is 252303311413. The reversal of 252303311389 is 983113303252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238493536164 + 13809775225 = 488358^2 + 117515^2 .

It is a cyclic number.

It is not a de Polignac number, because 252303311389 - 2⁷ = 252303311261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252303311089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126151655694 + 126151655695.

It is an arithmetic number, because the mean of its divisors is an integer number (126151655695).

Almost surely, 2^252303311389 is an apocalyptic number.

It is an amenable number.

252303311389 is a deficient number, since it is larger than the sum of its proper divisors (1).

252303311389 is an equidigital number, since it uses as much as digits as its factorization.

252303311389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 252303311389 in words is "two hundred fifty-two billion, three hundred three million, three hundred eleven thousand, three hundred eighty-nine".