259285291 has 2 divisors, whose sum is σ = 259285292. Its totient is φ = 259285290.

The previous prime is 259285283. The next prime is 259285303. The reversal of 259285291 is 192582952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259285291 - 2³ = 259285283 is a prime.

It is not a weakly prime, because it can be changed into another prime (259285211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129642645 + 129642646.

It is an arithmetic number, because the mean of its divisors is an integer number (129642646).

Almost surely, 2^259285291 is an apocalyptic number.

259285291 is a deficient number, since it is larger than the sum of its proper divisors (1).

259285291 is an equidigital number, since it uses as much as digits as its factorization.

259285291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 259285291 is about 16102.3380600458. The cubic root of 259285291 is about 637.6650684174.

It can be divided in two parts, 2592852 and 91, that multiplied together give a palindrome (235949532).

The spelling of 259285291 in words is "two hundred fifty-nine million, two hundred eighty-five thousand, two hundred ninety-one".