83171 has 4 divisors (see below), whose sum is σ = 90744. Its totient is φ = 75600.
The previous prime is 83137. The next prime is 83177. The reversal of 83171 is 17138.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-83171 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a plaindrome in base 14 and base 15.
It is not an unprimeable number, because it can be changed into a prime (83177) 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, 3770 + ... + 3791.
It is an arithmetic number, because the mean of its divisors is an integer number (22686).
283171 is an apocalyptic number.
83171 is a deficient number, since it is larger than the sum of its proper divisors (7573).
83171 is a wasteful number, since it uses less digits than its factorization.
83171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7572.
The product of its digits is 168, while the sum is 20.
The square root of 83171 is about 288.3938279506. The cubic root of 83171 is about 43.6506425546.
The spelling of 83171 in words is "eighty-three thousand, one hundred seventy-one".
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