17091 has 10 divisors (see below), whose sum is σ = 25652. Its totient is φ = 11340.

The previous prime is 17077. The next prime is 17093. The reversal of 17091 is 19071.

It is not a de Polignac number, because 17091 - 2⁶ = 17027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17093) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25 + ... + 186.

2¹⁷⁰⁹¹ is an apocalyptic number.

17091 is a deficient number, since it is larger than the sum of its proper divisors (8561).

17091 is an equidigital number, since it uses as much as digits as its factorization.

17091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 18.

The square root of 17091 is about 130.7325514170. The cubic root of 17091 is about 25.7586140157.

The spelling of 17091 in words is "seventeen thousand, ninety-one".