171117275 has 12 divisors (see below), whose sum is σ = 242497872. Its totient is φ = 117337440.

The previous prime is 171117229. The next prime is 171117293. The reversal of 171117275 is 572711171.

171117275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-171117275 is a prime.

It is a super-2 number, since 2×171117275² = 58562243606851250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488732 + ... + 489081.

It is an arithmetic number, because the mean of its divisors is an integer number (20208156).

Almost surely, 2^171117275 is an apocalyptic number.

171117275 is a deficient number, since it is larger than the sum of its proper divisors (71380597).

171117275 is an equidigital number, since it uses as much as digits as its factorization.

171117275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977830 (or 977825 counting only the distinct ones).

The product of its digits is 3430, while the sum is 32.

The square root of 171117275 is about 13081.1801837602. The cubic root of 171117275 is about 555.1767691666.

The spelling of 171117275 in words is "one hundred seventy-one million, one hundred seventeen thousand, two hundred seventy-five".