71171 has 2 divisors, whose sum is σ = 71172. Its totient is φ = 71170.

The previous prime is 71167. The next prime is 71191. The reversal of 71171 is 17117.

It is a weak prime.

It is an emirp because it is prime and its reverse (17117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71171 - 2² = 71167 is a prime.

It is a super-2 number, since 2×71171² = 10130622482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35585 + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (35586).

2⁷¹¹⁷¹ is an apocalyptic number.

71171 is a deficient number, since it is larger than the sum of its proper divisors (1).

71171 is an equidigital number, since it uses as much as digits as its factorization.

71171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49, while the sum is 17.

The square root of 71171 is about 266.7789347006. The cubic root of 71171 is about 41.4413940264.

Adding to 71171 its reverse (17117), we get a palindrome (88288).

It can be divided in two parts, 71 and 171, that added together give a palindrome (242).

The spelling of 71171 in words is "seventy-one thousand, one hundred seventy-one", and thus it is an iban number.