171040319 has 2 divisors, whose sum is σ = 171040320. Its totient is φ = 171040318.

The previous prime is 171040313. The next prime is 171040321. The reversal of 171040319 is 913040171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 171040319 - 2²⁰ = 169991743 is a prime.

It is a super-2 number, since 2×171040319² = 58509581447243522, which contains 22 as substring.

Together with 171040321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171040313) 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, 85520159 + 85520160.

It is an arithmetic number, because the mean of its divisors is an integer number (85520160).

Almost surely, 2^171040319 is an apocalyptic number.

171040319 is a deficient number, since it is larger than the sum of its proper divisors (1).

171040319 is an equidigital number, since it uses as much as digits as its factorization.

171040319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 171040319 is about 13078.2383752553. The cubic root of 171040319 is about 555.0935307564.

The spelling of 171040319 in words is "one hundred seventy-one million, forty thousand, three hundred nineteen".