258244559 has 2 divisors, whose sum is σ = 258244560. Its totient is φ = 258244558.

The previous prime is 258244549. The next prime is 258244619. The reversal of 258244559 is 955442852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258244559 - 2⁴ = 258244543 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 (258244549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129122279 + 129122280.

It is an arithmetic number, because the mean of its divisors is an integer number (129122280).

Almost surely, 2^258244559 is an apocalyptic number.

258244559 is a deficient number, since it is larger than the sum of its proper divisors (1).

258244559 is an equidigital number, since it uses as much as digits as its factorization.

258244559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 44.

The square root of 258244559 is about 16069.9893901645. The cubic root of 258244559 is about 636.8107606141.

The spelling of 258244559 in words is "two hundred fifty-eight million, two hundred forty-four thousand, five hundred fifty-nine".