259516879 has 4 divisors (see below), whose sum is σ = 259561584. Its totient is φ = 259472176.

The previous prime is 259516867. The next prime is 259516891. The reversal of 259516879 is 978615952.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (259516867) and next prime (259516891).

It is a cyclic number.

It is not a de Polignac number, because 259516879 - 2¹⁷ = 259385807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259516979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12067 + ... + 25780.

It is an arithmetic number, because the mean of its divisors is an integer number (64890396).

Almost surely, 2^259516879 is an apocalyptic number.

259516879 is a deficient number, since it is larger than the sum of its proper divisors (44705).

259516879 is an equidigital number, since it uses as much as digits as its factorization.

259516879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44704.

The product of its digits is 1360800, while the sum is 52.

The square root of 259516879 is about 16109.5275846314. The cubic root of 259516879 is about 637.8548614599.

The spelling of 259516879 in words is "two hundred fifty-nine million, five hundred sixteen thousand, eight hundred seventy-nine".