9173 has 2 divisors, whose sum is σ = 9174. Its totient is φ = 9172.

The previous prime is 9161. The next prime is 9181. The reversal of 9173 is 3719.

9173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5329 + 3844 = 73^2 + 62^2 .

9173 is a truncatable prime.

It is an emirp because it is prime and its reverse (3719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9173 - 2⁴ = 9157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586 + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (4587).

2⁹¹⁷³ is an apocalyptic number.

It is an amenable number.

9173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9173 is an equidigital number, since it uses as much as digits as its factorization.

9173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189, while the sum is 20.

The square root of 9173 is about 95.7757798193. The cubic root of 9173 is about 20.9332727041.

The spelling of 9173 in words is "nine thousand, one hundred seventy-three".