252515224849 has 2 divisors, whose sum is σ = 252515224850. Its totient is φ = 252515224848.

The previous prime is 252515224847. The next prime is 252515224853. The reversal of 252515224849 is 948422515252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232186168449 + 20329056400 = 481857^2 + 142580^2 .

It is a cyclic number.

It is not a de Polignac number, because 252515224849 - 2¹ = 252515224847 is a prime.

Together with 252515224847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252515224847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126257612424 + 126257612425.

It is an arithmetic number, because the mean of its divisors is an integer number (126257612425).

Almost surely, 2^252515224849 is an apocalyptic number.

It is an amenable number.

252515224849 is a deficient number, since it is larger than the sum of its proper divisors (1).

252515224849 is an equidigital number, since it uses as much as digits as its factorization.

252515224849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304000, while the sum is 49.

The spelling of 252515224849 in words is "two hundred fifty-two billion, five hundred fifteen million, two hundred twenty-four thousand, eight hundred forty-nine".