258919 has 2 divisors, whose sum is σ = 258920. Its totient is φ = 258918.

The previous prime is 258917. The next prime is 258949. The reversal of 258919 is 919852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258919 - 2¹ = 258917 is a prime.

It is a super-2 number, since 2×258919² = 134078097122, which contains 22 as substring.

Together with 258917, 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 (258917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129459 + 129460.

It is an arithmetic number, because the mean of its divisors is an integer number (129460).

2²⁵⁸⁹¹⁹ is an apocalyptic number.

258919 is a deficient number, since it is larger than the sum of its proper divisors (1).

258919 is an equidigital number, since it uses as much as digits as its factorization.

258919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 258919 is about 508.8408395559. The cubic root of 258919 is about 63.7364651517.

The spelling of 258919 in words is "two hundred fifty-eight thousand, nine hundred nineteen".