291159 has 24 divisors (see below), whose sum is σ = 488592. Its totient is φ = 165120.

The previous prime is 291143. The next prime is 291167. The reversal of 291159 is 951192.

It is a happy number.

It is not a de Polignac number, because 291159 - 2⁴ = 291143 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 291159.

It is not an unprimeable number, because it can be changed into a prime (291169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (20358).

2²⁹¹¹⁵⁹ is an apocalyptic number.

291159 is a deficient number, since it is larger than the sum of its proper divisors (197433).

291159 is a wasteful number, since it uses less digits than its factorization.

291159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 204 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 291159 is about 539.5915121645. The cubic root of 291159 is about 66.2791209345.

The spelling of 291159 in words is "two hundred ninety-one thousand, one hundred fifty-nine".