259938671 has 2 divisors, whose sum is σ = 259938672. Its totient is φ = 259938670.

The previous prime is 259938643. The next prime is 259938703. The reversal of 259938671 is 176839952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259938671 - 2⁶ = 259938607 is a prime.

It is a super-2 number, since 2×259938671² = 135136225362492482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259938611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129969335 + 129969336.

It is an arithmetic number, because the mean of its divisors is an integer number (129969336).

Almost surely, 2^259938671 is an apocalyptic number.

259938671 is a deficient number, since it is larger than the sum of its proper divisors (1).

259938671 is an equidigital number, since it uses as much as digits as its factorization.

259938671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 259938671 is about 16122.6136528790. The cubic root of 259938671 is about 638.2002422722.

The spelling of 259938671 in words is "two hundred fifty-nine million, nine hundred thirty-eight thousand, six hundred seventy-one".