522099887 has 2 divisors, whose sum is σ = 522099888. Its totient is φ = 522099886.

The previous prime is 522099827. The next prime is 522099901. The reversal of 522099887 is 788990225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522099887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522099817) 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, 261049943 + 261049944.

It is an arithmetic number, because the mean of its divisors is an integer number (261049944).

Almost surely, 2^522099887 is an apocalyptic number.

522099887 is a deficient number, since it is larger than the sum of its proper divisors (1).

522099887 is an equidigital number, since it uses as much as digits as its factorization.

522099887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 522099887 is about 22849.5051806379. The cubic root of 522099887 is about 805.2261427589.

The spelling of 522099887 in words is "five hundred twenty-two million, ninety-nine thousand, eight hundred eighty-seven".