258019 has 2 divisors, whose sum is σ = 258020. Its totient is φ = 258018.

The previous prime is 257993. The next prime is 258023. The reversal of 258019 is 910852.

258019 is nontrivially palindromic in base 16.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258019 - 2⁵ = 257987 is a prime.

It is a super-2 number, since 2×258019² = 133147608722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 257984 and 258002.

It is not a weakly prime, because it can be changed into another prime (258119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129009 + 129010.

It is an arithmetic number, because the mean of its divisors is an integer number (129010).

2²⁵⁸⁰¹⁹ is an apocalyptic number.

258019 is a deficient number, since it is larger than the sum of its proper divisors (1).

258019 is an equidigital number, since it uses as much as digits as its factorization.

258019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 258019 is about 507.9557067304. The cubic root of 258019 is about 63.6625303027.

The spelling of 258019 in words is "two hundred fifty-eight thousand, nineteen".