259515967 has 2 divisors, whose sum is σ = 259515968. Its totient is φ = 259515966.

The previous prime is 259515959. The next prime is 259515989. The reversal of 259515967 is 769515952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259515967 - 2³ = 259515959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259515967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259515917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129757983 + 129757984.

It is an arithmetic number, because the mean of its divisors is an integer number (129757984).

Almost surely, 2^259515967 is an apocalyptic number.

259515967 is a deficient number, since it is larger than the sum of its proper divisors (1).

259515967 is an equidigital number, since it uses as much as digits as its factorization.

259515967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 850500, while the sum is 49.

The square root of 259515967 is about 16109.4992783761. The cubic root of 259515967 is about 637.8541142711.

The spelling of 259515967 in words is "two hundred fifty-nine million, five hundred fifteen thousand, nine hundred sixty-seven".