171271 has 2 divisors, whose sum is σ = 171272. Its totient is φ = 171270.

The previous prime is 171263. The next prime is 171293. The reversal of 171271 is 172171.

171271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (172171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171271 - 2³ = 171263 is a prime.

171271 is a lucky number.

It is equal to p₁₅₆₀₇ and since 171271 and 15607 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85635 + 85636.

It is an arithmetic number, because the mean of its divisors is an integer number (85636).

2¹⁷¹²⁷¹ is an apocalyptic number.

171271 is a deficient number, since it is larger than the sum of its proper divisors (1).

171271 is an equidigital number, since it uses as much as digits as its factorization.

171271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98, while the sum is 19.

The square root of 171271 is about 413.8490062813. The cubic root of 171271 is about 55.5342969033.

Subtracting 171271 from its reverse (172171), we obtain a square (900 = 30²).

The spelling of 171271 in words is "one hundred seventy-one thousand, two hundred seventy-one", and thus it is an iban number.