971171 has 2 divisors, whose sum is σ = 971172. Its totient is φ = 971170.

The previous prime is 971153. The next prime is 971177. The reversal of 971171 is 171179.

It is a strong prime.

It is an emirp because it is prime and its reverse (171179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971171 - 2¹⁰ = 970147 is a prime.

It is a super-2 number, since 2×971171² = 1886346222482, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971171.

It is not a weakly prime, because it can be changed into another prime (971177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485585 + 485586.

It is an arithmetic number, because the mean of its divisors is an integer number (485586).

2⁹⁷¹¹⁷¹ is an apocalyptic number.

971171 is a deficient number, since it is larger than the sum of its proper divisors (1).

971171 is an equidigital number, since it uses as much as digits as its factorization.

971171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441, while the sum is 26.

The square root of 971171 is about 985.4800860494. The cubic root of 971171 is about 99.0296479580.

The spelling of 971171 in words is "nine hundred seventy-one thousand, one hundred seventy-one".