259830943 has 2 divisors, whose sum is σ = 259830944. Its totient is φ = 259830942.

The previous prime is 259830929. The next prime is 259830953. The reversal of 259830943 is 349038952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259830943 - 2⁵ = 259830911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259830943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259830913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129915471 + 129915472.

It is an arithmetic number, because the mean of its divisors is an integer number (129915472).

Almost surely, 2^259830943 is an apocalyptic number.

259830943 is a deficient number, since it is larger than the sum of its proper divisors (1).

259830943 is an equidigital number, since it uses as much as digits as its factorization.

259830943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 259830943 is about 16119.2724091381. The cubic root of 259830943 is about 638.1120656581.

The spelling of 259830943 in words is "two hundred fifty-nine million, eight hundred thirty thousand, nine hundred forty-three".