522042257249 has 2 divisors, whose sum is σ = 522042257250. Its totient is φ = 522042257248.

The previous prime is 522042257131. The next prime is 522042257257. The reversal of 522042257249 is 942752240225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512913792400 + 9128464849 = 716180^2 + 95543^2 .

It is a cyclic number.

It is not a de Polignac number, because 522042257249 - 2²⁴ = 522025480033 is a prime.

It is not a weakly prime, because it can be changed into another prime (522042257299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261021128624 + 261021128625.

It is an arithmetic number, because the mean of its divisors is an integer number (261021128625).

Almost surely, 2^522042257249 is an apocalyptic number.

It is an amenable number.

522042257249 is a deficient number, since it is larger than the sum of its proper divisors (1).

522042257249 is an equidigital number, since it uses as much as digits as its factorization.

522042257249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 522042257249 in words is "five hundred twenty-two billion, forty-two million, two hundred fifty-seven thousand, two hundred forty-nine".