971132171 has 2 divisors, whose sum is σ = 971132172. Its totient is φ = 971132170.

The previous prime is 971132159. The next prime is 971132263. The reversal of 971132171 is 171231179.

971132171 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 a cyclic number.

It is not a de Polignac number, because 971132171 - 2¹⁸ = 970870027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (971032171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485566085 + 485566086.

It is an arithmetic number, because the mean of its divisors is an integer number (485566086).

Almost surely, 2^971132171 is an apocalyptic number.

971132171 is a deficient number, since it is larger than the sum of its proper divisors (1).

971132171 is an equidigital number, since it uses as much as digits as its factorization.

971132171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 32.

The square root of 971132171 is about 31162.9936142213. The cubic root of 971132171 is about 990.2832815153.

The spelling of 971132171 in words is "nine hundred seventy-one million, one hundred thirty-two thousand, one hundred seventy-one".