259278967 has 2 divisors, whose sum is σ = 259278968. Its totient is φ = 259278966.

The previous prime is 259278961. The next prime is 259279043. The reversal of 259278967 is 769872952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259278967 - 2²³ = 250890359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259278961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129639483 + 129639484.

It is an arithmetic number, because the mean of its divisors is an integer number (129639484).

Almost surely, 2^259278967 is an apocalyptic number.

259278967 is a deficient number, since it is larger than the sum of its proper divisors (1).

259278967 is an equidigital number, since it uses as much as digits as its factorization.

259278967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 259278967 is about 16102.1416898498. The cubic root of 259278967 is about 637.6598841322.

The spelling of 259278967 in words is "two hundred fifty-nine million, two hundred seventy-eight thousand, nine hundred sixty-seven".