252556489 has 2 divisors, whose sum is σ = 252556490. Its totient is φ = 252556488.

The previous prime is 252556483. The next prime is 252556511. The reversal of 252556489 is 984655252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204490000 + 48066489 = 14300^2 + 6933^2 .

It is a cyclic number.

It is not a de Polignac number, because 252556489 - 2³ = 252556481 is a prime.

It is not a weakly prime, because it can be changed into another prime (252556481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126278244 + 126278245.

It is an arithmetic number, because the mean of its divisors is an integer number (126278245).

Almost surely, 2^252556489 is an apocalyptic number.

It is an amenable number.

252556489 is a deficient number, since it is larger than the sum of its proper divisors (1).

252556489 is an equidigital number, since it uses as much as digits as its factorization.

252556489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 46.

The square root of 252556489 is about 15892.0259564349. The cubic root of 252556489 is about 632.1005629981.

The spelling of 252556489 in words is "two hundred fifty-two million, five hundred fifty-six thousand, four hundred eighty-nine".