258948589 has 2 divisors, whose sum is σ = 258948590. Its totient is φ = 258948588.

The previous prime is 258948523. The next prime is 258948601. The reversal of 258948589 is 985849852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130919364 + 128029225 = 11442^2 + 11315^2 .

It is a cyclic number.

It is not a de Polignac number, because 258948589 - 2¹⁵ = 258915821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258948509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129474294 + 129474295.

It is an arithmetic number, because the mean of its divisors is an integer number (129474295).

Almost surely, 2^258948589 is an apocalyptic number.

It is an amenable number.

258948589 is a deficient number, since it is larger than the sum of its proper divisors (1).

258948589 is an equidigital number, since it uses as much as digits as its factorization.

258948589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 58.

The square root of 258948589 is about 16091.8795981079. The cubic root of 258948589 is about 637.3889297205.

The spelling of 258948589 in words is "two hundred fifty-eight million, nine hundred forty-eight thousand, five hundred eighty-nine".