9171 has 6 divisors (see below), whose sum is σ = 13260. Its totient is φ = 6108.

The previous prime is 9161. The next prime is 9173. The reversal of 9171 is 1719.

It is not a de Polignac number, because 9171 - 2⁷ = 9043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501 + ... + 518.

It is an arithmetic number, because the mean of its divisors is an integer number (2210).

9171 is a deficient number, since it is larger than the sum of its proper divisors (4089).

9171 is a wasteful number, since it uses less digits than its factorization.

9171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

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

The square root of 9171 is about 95.7653381971. The cubic root of 9171 is about 20.9317512249.

The spelling of 9171 in words is "nine thousand, one hundred seventy-one".