965216171 has 2 divisors, whose sum is σ = 965216172. Its totient is φ = 965216170.

The previous prime is 965216167. The next prime is 965216201. The reversal of 965216171 is 171612569.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 965216171 - 2² = 965216167 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (965216071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482608085 + 482608086.

It is an arithmetic number, because the mean of its divisors is an integer number (482608086).

Almost surely, 2^965216171 is an apocalyptic number.

965216171 is a deficient number, since it is larger than the sum of its proper divisors (1).

965216171 is an equidigital number, since it uses as much as digits as its factorization.

965216171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 965216171 is about 31067.9283345382. The cubic root of 965216171 is about 988.2682956696.

The spelling of 965216171 in words is "nine hundred sixty-five million, two hundred sixteen thousand, one hundred seventy-one".