171339613 has 2 divisors, whose sum is σ = 171339614. Its totient is φ = 171339612.

The previous prime is 171339593. The next prime is 171339629. The reversal of 171339613 is 316933171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171164889 + 174724 = 13083^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 171339613 - 2⁹ = 171339101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171339683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85669806 + 85669807.

It is an arithmetic number, because the mean of its divisors is an integer number (85669807).

Almost surely, 2^171339613 is an apocalyptic number.

It is an amenable number.

171339613 is a deficient number, since it is larger than the sum of its proper divisors (1).

171339613 is an equidigital number, since it uses as much as digits as its factorization.

171339613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 171339613 is about 13089.6758172233. The cubic root of 171339613 is about 555.4171179163.

The spelling of 171339613 in words is "one hundred seventy-one million, three hundred thirty-nine thousand, six hundred thirteen".