252652401289 has 2 divisors, whose sum is σ = 252652401290. Its totient is φ = 252652401288.

The previous prime is 252652401259. The next prime is 252652401311. The reversal of 252652401289 is 982104256252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233308320400 + 19344080889 = 483020^2 + 139083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252652401289 is a prime.

It is not a weakly prime, because it can be changed into another prime (252652401259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126326200644 + 126326200645.

It is an arithmetic number, because the mean of its divisors is an integer number (126326200645).

Almost surely, 2^252652401289 is an apocalyptic number.

It is an amenable number.

252652401289 is a deficient number, since it is larger than the sum of its proper divisors (1).

252652401289 is an equidigital number, since it uses as much as digits as its factorization.

252652401289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 252652401289 in words is "two hundred fifty-two billion, six hundred fifty-two million, four hundred one thousand, two hundred eighty-nine".