522255961 has 2 divisors, whose sum is σ = 522255962. Its totient is φ = 522255960.

The previous prime is 522255959. The next prime is 522256001. The reversal of 522255961 is 169552225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517107600 + 5148361 = 22740^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 522255961 - 2¹ = 522255959 is a prime.

Together with 522255959, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 522255961.

It is not a weakly prime, because it can be changed into another prime (522255931) 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, 261127980 + 261127981.

It is an arithmetic number, because the mean of its divisors is an integer number (261127981).

Almost surely, 2^522255961 is an apocalyptic number.

It is an amenable number.

522255961 is a deficient number, since it is larger than the sum of its proper divisors (1).

522255961 is an equidigital number, since it uses as much as digits as its factorization.

522255961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 522255961 is about 22852.9201853943. The cubic root of 522255961 is about 805.3063715602.

The spelling of 522255961 in words is "five hundred twenty-two million, two hundred fifty-five thousand, nine hundred sixty-one".