259516867 has 2 divisors, whose sum is σ = 259516868. Its totient is φ = 259516866.

The previous prime is 259516861. The next prime is 259516891. The reversal of 259516867 is 768615952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259516867 - 2¹⁹ = 258992579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259516867.

It is not a weakly prime, because it can be changed into another prime (259516861) 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, 129758433 + 129758434.

It is an arithmetic number, because the mean of its divisors is an integer number (129758434).

Almost surely, 2^259516867 is an apocalyptic number.

259516867 is a deficient number, since it is larger than the sum of its proper divisors (1).

259516867 is an equidigital number, since it uses as much as digits as its factorization.

259516867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 49.

The square root of 259516867 is about 16109.5272121810. The cubic root of 259516867 is about 637.8548516285.

The spelling of 259516867 in words is "two hundred fifty-nine million, five hundred sixteen thousand, eight hundred sixty-seven".