171696013 has 2 divisors, whose sum is σ = 171696014. Its totient is φ = 171696012.

The previous prime is 171695983. The next prime is 171696017. The reversal of 171696013 is 310696171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159213924 + 12482089 = 12618^2 + 3533^2 .

It is an emirp because it is prime and its reverse (310696171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171696013 - 2⁵ = 171695981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 171696013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171696017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85848006 + 85848007.

It is an arithmetic number, because the mean of its divisors is an integer number (85848007).

Almost surely, 2^171696013 is an apocalyptic number.

It is an amenable number.

171696013 is a deficient number, since it is larger than the sum of its proper divisors (1).

171696013 is an equidigital number, since it uses as much as digits as its factorization.

171696013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 171696013 is about 13103.2825276722. The cubic root of 171696013 is about 555.8019551113.

The spelling of 171696013 in words is "one hundred seventy-one million, six hundred ninety-six thousand, thirteen".