522159959 has 4 divisors (see below), whose sum is σ = 522715800. Its totient is φ = 521604120.

The previous prime is 522159949. The next prime is 522159973. The reversal of 522159959 is 959951225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522159959 - 2⁴ = 522159943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522159929) 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 in 3 ways as a sum of consecutive naturals, for example, 276509 + ... + 278390.

It is an arithmetic number, because the mean of its divisors is an integer number (130678950).

Almost surely, 2^522159959 is an apocalyptic number.

522159959 is a deficient number, since it is larger than the sum of its proper divisors (555841).

522159959 is an equidigital number, since it uses as much as digits as its factorization.

522159959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555840.

The product of its digits is 364500, while the sum is 47.

The square root of 522159959 is about 22850.8196570714. The cubic root of 522159959 is about 805.2570242632.

It can be divided in two parts, 522159 and 959, that multiplied together give a triangular number (500750481 = T₃₁₆₄₆).

The spelling of 522159959 in words is "five hundred twenty-two million, one hundred fifty-nine thousand, nine hundred fifty-nine".