171173 has 4 divisors (see below), whose sum is σ = 181260. Its totient is φ = 161088.

The previous prime is 171169. The next prime is 171179. The reversal of 171173 is 371171.

171173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371171 = 29 ⋅12799.

It can be written as a sum of positive squares in 2 ways, for example, as 88804 + 82369 = 298^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 171173 - 2² = 171169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5018 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (45315).

2¹⁷¹¹⁷³ is an apocalyptic number.

It is an amenable number.

171173 is a deficient number, since it is larger than the sum of its proper divisors (10087).

171173 is a wasteful number, since it uses less digits than its factorization.

171173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its digits is 147, while the sum is 20.

The square root of 171173 is about 413.7305886685. The cubic root of 171173 is about 55.5237027777.

The spelling of 171173 in words is "one hundred seventy-one thousand, one hundred seventy-three", and thus it is an iban number.