259619 has 2 divisors, whose sum is σ = 259620. Its totient is φ = 259618.

The previous prime is 259603. The next prime is 259621. The reversal of 259619 is 916952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259619 - 2⁴ = 259603 is a prime.

It is a super-2 number, since 2×259619² = 134804050322, which contains 22 as substring.

Together with 259621, 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 (259639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129809 + 129810.

It is an arithmetic number, because the mean of its divisors is an integer number (129810).

2²⁵⁹⁶¹⁹ is an apocalyptic number.

259619 is a deficient number, since it is larger than the sum of its proper divisors (1).

259619 is an equidigital number, since it uses as much as digits as its factorization.

259619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 259619 is about 509.5282131541. The cubic root of 259619 is about 63.7938516692.

It can be divided in two parts, 259 and 619, that added together give a palindrome (878).

The spelling of 259619 in words is "two hundred fifty-nine thousand, six hundred nineteen".