252645510493 has 2 divisors, whose sum is σ = 252645510494. Its totient is φ = 252645510492.

The previous prime is 252645510431. The next prime is 252645510511. The reversal of 252645510493 is 394015546252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226098348004 + 26547162489 = 475498^2 + 162933^2 .

It is a cyclic number.

It is not a de Polignac number, because 252645510493 - 2¹⁷ = 252645379421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252645540493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126322755246 + 126322755247.

It is an arithmetic number, because the mean of its divisors is an integer number (126322755247).

Almost surely, 2^252645510493 is an apocalyptic number.

It is an amenable number.

252645510493 is a deficient number, since it is larger than the sum of its proper divisors (1).

252645510493 is an equidigital number, since it uses as much as digits as its factorization.

252645510493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 252645510493 in words is "two hundred fifty-two billion, six hundred forty-five million, five hundred ten thousand, four hundred ninety-three".