252909274441 has 2 divisors, whose sum is σ = 252909274442. Its totient is φ = 252909274440.

The previous prime is 252909274433. The next prime is 252909274481. The reversal of 252909274441 is 144472909252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208305524025 + 44603750416 = 456405^2 + 211196^2 .

It is a cyclic number.

It is not a de Polignac number, because 252909274441 - 2³ = 252909274433 is a prime.

It is not a weakly prime, because it can be changed into another prime (252909274481) 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, 126454637220 + 126454637221.

It is an arithmetic number, because the mean of its divisors is an integer number (126454637221).

Almost surely, 2^252909274441 is an apocalyptic number.

It is an amenable number.

252909274441 is a deficient number, since it is larger than the sum of its proper divisors (1).

252909274441 is an equidigital number, since it uses as much as digits as its factorization.

252909274441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 252909274441 in words is "two hundred fifty-two billion, nine hundred nine million, two hundred seventy-four thousand, four hundred forty-one".