259808291 has 2 divisors, whose sum is σ = 259808292. Its totient is φ = 259808290.

The previous prime is 259808273. The next prime is 259808293. The reversal of 259808291 is 192808952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259808291 - 2¹⁴ = 259791907 is a prime.

Together with 259808293, 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 (259808293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129904145 + 129904146.

It is an arithmetic number, because the mean of its divisors is an integer number (129904146).

Almost surely, 2^259808291 is an apocalyptic number.

259808291 is a deficient number, since it is larger than the sum of its proper divisors (1).

259808291 is an equidigital number, since it uses as much as digits as its factorization.

259808291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 259808291 is about 16118.5697566502. The cubic root of 259808291 is about 638.0935216330.

The spelling of 259808291 in words is "two hundred fifty-nine million, eight hundred eight thousand, two hundred ninety-one".