561159 has 6 divisors (see below), whose sum is σ = 810576. Its totient is φ = 374100.

The previous prime is 561109. The next prime is 561161. The reversal of 561159 is 951165.

It is not a de Polignac number, because 561159 - 2¹⁵ = 528391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31167 + ... + 31184.

It is an arithmetic number, because the mean of its divisors is an integer number (135096).

2⁵⁶¹¹⁵⁹ is an apocalyptic number.

561159 is a deficient number, since it is larger than the sum of its proper divisors (249417).

561159 is a wasteful number, since it uses less digits than its factorization.

561159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62357 (or 62354 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 561159 is about 749.1054665399. The cubic root of 561159 is about 82.4825307364.

The spelling of 561159 in words is "five hundred sixty-one thousand, one hundred fifty-nine".