15291 has 6 divisors (see below), whose sum is σ = 22100. Its totient is φ = 10188.

The previous prime is 15289. The next prime is 15299. The reversal of 15291 is 19251.

15291 is nontrivially palindromic in base 4.

15291 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 15291 - 2¹ = 15289 is a prime.

It is a Duffinian number.

15291 is an undulating number in base 4.

15291 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (15299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841 + ... + 858.

15291 is a deficient number, since it is larger than the sum of its proper divisors (6809).

15291 is a wasteful number, since it uses less digits than its factorization.

15291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1702 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 15291 is about 123.6567830731. The cubic root of 15291 is about 24.8205821159.

It can be divided in two parts, 152 and 91, that added together give a 5-th power (243 = 3⁵).

The spelling of 15291 in words is "fifteen thousand, two hundred ninety-one".