252792767509 has 2 divisors, whose sum is σ = 252792767510. Its totient is φ = 252792767508.

The previous prime is 252792767473. The next prime is 252792767531. The reversal of 252792767509 is 905767297252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181224747025 + 71568020484 = 425705^2 + 267522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252792767509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252792767809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126396383754 + 126396383755.

It is an arithmetic number, because the mean of its divisors is an integer number (126396383755).

Almost surely, 2^252792767509 is an apocalyptic number.

It is an amenable number.

252792767509 is a deficient number, since it is larger than the sum of its proper divisors (1).

252792767509 is an equidigital number, since it uses as much as digits as its factorization.

252792767509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 252792767509 in words is "two hundred fifty-two billion, seven hundred ninety-two million, seven hundred sixty-seven thousand, five hundred nine".