259428319 has 2 divisors, whose sum is σ = 259428320. Its totient is φ = 259428318.

The previous prime is 259428317. The next prime is 259428341. The reversal of 259428319 is 913824952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259428319 - 2¹ = 259428317 is a prime.

It is a super-2 number, since 2×259428319² = 134606105398331522, which contains 22 as substring.

Together with 259428317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259428311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129714159 + 129714160.

It is an arithmetic number, because the mean of its divisors is an integer number (129714160).

Almost surely, 2^259428319 is an apocalyptic number.

259428319 is a deficient number, since it is larger than the sum of its proper divisors (1).

259428319 is an equidigital number, since it uses as much as digits as its factorization.

259428319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 259428319 is about 16106.7786661393. The cubic root of 259428319 is about 637.7822973252.

The spelling of 259428319 in words is "two hundred fifty-nine million, four hundred twenty-eight thousand, three hundred nineteen".