522799087 has 2 divisors, whose sum is σ = 522799088. Its totient is φ = 522799086.

The previous prime is 522799061. The next prime is 522799091. The reversal of 522799087 is 780997225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522799087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522799087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522799787) 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, 261399543 + 261399544.

It is an arithmetic number, because the mean of its divisors is an integer number (261399544).

Almost surely, 2^522799087 is an apocalyptic number.

522799087 is a deficient number, since it is larger than the sum of its proper divisors (1).

522799087 is an equidigital number, since it uses as much as digits as its factorization.

522799087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 522799087 is about 22864.8001740667. The cubic root of 522799087 is about 805.5854373364.

The spelling of 522799087 in words is "five hundred twenty-two million, seven hundred ninety-nine thousand, eighty-seven".