258282317 has 2 divisors, whose sum is σ = 258282318. Its totient is φ = 258282316.

The previous prime is 258282307. The next prime is 258282331. The reversal of 258282317 is 713282852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257474116 + 808201 = 16046^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 258282317 - 2⁴ = 258282301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258282307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129141158 + 129141159.

It is an arithmetic number, because the mean of its divisors is an integer number (129141159).

Almost surely, 2^258282317 is an apocalyptic number.

It is an amenable number.

258282317 is a deficient number, since it is larger than the sum of its proper divisors (1).

258282317 is an equidigital number, since it uses as much as digits as its factorization.

258282317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 258282317 is about 16071.1641457612. The cubic root of 258282317 is about 636.8417951872.

The spelling of 258282317 in words is "two hundred fifty-eight million, two hundred eighty-two thousand, three hundred seventeen".