259230919 has 2 divisors, whose sum is σ = 259230920. Its totient is φ = 259230918.

The previous prime is 259230899. The next prime is 259230929. The reversal of 259230919 is 919032952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259230919 - 2⁹ = 259230407 is a prime.

It is a super-2 number, since 2×259230919² = 134401338731169122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259230929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129615459 + 129615460.

It is an arithmetic number, because the mean of its divisors is an integer number (129615460).

Almost surely, 2^259230919 is an apocalyptic number.

259230919 is a deficient number, since it is larger than the sum of its proper divisors (1).

259230919 is an equidigital number, since it uses as much as digits as its factorization.

259230919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 259230919 is about 16100.6496452783. The cubic root of 259230919 is about 637.6204926160.

The spelling of 259230919 in words is "two hundred fifty-nine million, two hundred thirty thousand, nine hundred nineteen".