It is a weak prime.
6173 is a truncatable prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6173 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a plaindrome in base 7 and base 14.
It is a congruent number.
26173 is an apocalyptic number.
It is an amenable number.
6173 is an equidigital number, since it uses as much as digits as its factorization.
6173 is an evil number, because the sum of its binary digits is even.
The square root of 6173 is about 78.5684415017. The cubic root of 6173 is about 18.3441992519.
Adding to 6173 its reverse (3716), we get a palindrome (9889).
The spelling of 6173 in words is "six thousand, one hundred seventy-three".