173117 has 6 divisors (see below), whose sum is σ = 201438. Its totient is φ = 148344.

The previous prime is 173099. The next prime is 173137. The reversal of 173117 is 711371.

173117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 164836 + 8281 = 406^2 + 91^2 .

It is not a de Polignac number, because 173117 - 2⁶ = 173053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173137) 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, 1718 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (33573).

2¹⁷³¹¹⁷ is an apocalyptic number.

It is an amenable number.

173117 is a deficient number, since it is larger than the sum of its proper divisors (28321).

173117 is an equidigital number, since it uses as much as digits as its factorization.

173117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3540 counting only the distinct ones).

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

The square root of 173117 is about 416.0733108480. The cubic root of 173117 is about 55.7331050040.

Adding to 173117 its reverse (711371), we get a palindrome (884488).

The spelling of 173117 in words is "one hundred seventy-three thousand, one hundred seventeen", and thus it is an iban number.