259586081 has 2 divisors, whose sum is σ = 259586082. Its totient is φ = 259586080.

The previous prime is 259586057. The next prime is 259586083. The reversal of 259586081 is 180685952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216237025 + 43349056 = 14705^2 + 6584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259586081 is a prime.

It is a super-2 number, since 2×259586081² = 134769866897877122, which contains 22 as substring.

Together with 259586083, 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 (259586083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129793040 + 129793041.

It is an arithmetic number, because the mean of its divisors is an integer number (129793041).

Almost surely, 2^259586081 is an apocalyptic number.

It is an amenable number.

259586081 is a deficient number, since it is larger than the sum of its proper divisors (1).

259586081 is an equidigital number, since it uses as much as digits as its factorization.

259586081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 259586081 is about 16111.6753008494. The cubic root of 259586081 is about 637.9115525820.

The spelling of 259586081 in words is "two hundred fifty-nine million, five hundred eighty-six thousand, eighty-one".