559239561 has 12 divisors (see below), whose sum is σ = 809548740. Its totient is φ = 372014880.

The previous prime is 559239533. The next prime is 559239563. The reversal of 559239561 is 165932955.

559239561 is a `hidden beast` number, since 5 + 59 + 2 + 39 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 425143161 + 134096400 = 20619^2 + 11580^2 .

It is not a de Polignac number, because 559239561 - 2⁵ = 559239529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (559239563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63246 + ... + 71543.

It is an arithmetic number, because the mean of its divisors is an integer number (67462395).

Almost surely, 2^559239561 is an apocalyptic number.

It is an amenable number.

559239561 is a deficient number, since it is larger than the sum of its proper divisors (250309179).

559239561 is a wasteful number, since it uses less digits than its factorization.

559239561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135256 (or 135253 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 559239561 is about 23648.2464677616. The cubic root of 559239561 is about 823.8837973763.

The spelling of 559239561 in words is "five hundred fifty-nine million, two hundred thirty-nine thousand, five hundred sixty-one".