258000689 has 2 divisors, whose sum is σ = 258000690. Its totient is φ = 258000688.

The previous prime is 258000679. The next prime is 258000703. The reversal of 258000689 is 986000852.

258000689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160149025 + 97851664 = 12655^2 + 9892^2 .

It is a cyclic number.

It is not a de Polignac number, because 258000689 - 2¹² = 257996593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258000679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129000344 + 129000345.

It is an arithmetic number, because the mean of its divisors is an integer number (129000345).

Almost surely, 2^258000689 is an apocalyptic number.

It is an amenable number.

258000689 is a deficient number, since it is larger than the sum of its proper divisors (1).

258000689 is an equidigital number, since it uses as much as digits as its factorization.

258000689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 258000689 is about 16062.3998518279. The cubic root of 258000689 is about 636.6102427389.

The spelling of 258000689 in words is "two hundred fifty-eight million, six hundred eighty-nine", and thus it is an aban number.