491159 has 2 divisors, whose sum is σ = 491160. Its totient is φ = 491158.

The previous prime is 491149. The next prime is 491167. The reversal of 491159 is 951194.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-491159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245579 + 245580.

It is an arithmetic number, because the mean of its divisors is an integer number (245580).

2⁴⁹¹¹⁵⁹ is an apocalyptic number.

491159 is a deficient number, since it is larger than the sum of its proper divisors (1).

491159 is an equidigital number, since it uses as much as digits as its factorization.

491159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 29.

The square root of 491159 is about 700.8273681871. The cubic root of 491159 is about 78.8994608445.

The spelling of 491159 in words is "four hundred ninety-one thousand, one hundred fifty-nine".