9165173 has 2 divisors, whose sum is σ = 9165174. Its totient is φ = 9165172.

The previous prime is 9165157. The next prime is 9165179. The reversal of 9165173 is 3715619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6848689 + 2316484 = 2617^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 9165173 - 2⁴ = 9165157 is a prime.

It is a super-2 number, since 2×9165173² = 168000792239858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9165179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4582586 + 4582587.

It is an arithmetic number, because the mean of its divisors is an integer number (4582587).

Almost surely, 2^9165173 is an apocalyptic number.

It is an amenable number.

9165173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9165173 is an equidigital number, since it uses as much as digits as its factorization.

9165173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 9165173 is about 3027.4036731166. The cubic root of 9165173 is about 209.2731713350.

The spelling of 9165173 in words is "nine million, one hundred sixty-five thousand, one hundred seventy-three".