171324971 has 2 divisors, whose sum is σ = 171324972. Its totient is φ = 171324970.

The previous prime is 171324949. The next prime is 171324977. The reversal of 171324971 is 179423171.

171324971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (179423171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171324971 - 2¹⁰ = 171323947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171324977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85662485 + 85662486.

It is an arithmetic number, because the mean of its divisors is an integer number (85662486).

Almost surely, 2^171324971 is an apocalyptic number.

171324971 is a deficient number, since it is larger than the sum of its proper divisors (1).

171324971 is an equidigital number, since it uses as much as digits as its factorization.

171324971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 171324971 is about 13089.1165095281. The cubic root of 171324971 is about 555.4012962216.

The spelling of 171324971 in words is "one hundred seventy-one million, three hundred twenty-four thousand, nine hundred seventy-one".