260000171 has 2 divisors, whose sum is σ = 260000172. Its totient is φ = 260000170.

The previous prime is 260000149. The next prime is 260000173. The reversal of 260000171 is 171000062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260000171 - 2¹⁰ = 259999147 is a prime.

Together with 260000173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260000173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130000085 + 130000086.

It is an arithmetic number, because the mean of its divisors is an integer number (130000086).

Almost surely, 2^260000171 is an apocalyptic number.

260000171 is a deficient number, since it is larger than the sum of its proper divisors (1).

260000171 is an equidigital number, since it uses as much as digits as its factorization.

260000171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 260000171 is about 16124.5207990811. The cubic root of 260000171 is about 638.2505698101.

The spelling of 260000171 in words is "two hundred sixty million, one hundred seventy-one", and thus it is an aban number.