258392389 has 2 divisors, whose sum is σ = 258392390. Its totient is φ = 258392388.

The previous prime is 258392353. The next prime is 258392411. The reversal of 258392389 is 983293852.

258392389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 46689889 = 14550^2 + 6833^2 .

It is a cyclic number.

It is not a de Polignac number, because 258392389 - 2⁷ = 258392261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258392339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129196194 + 129196195.

It is an arithmetic number, because the mean of its divisors is an integer number (129196195).

Almost surely, 2^258392389 is an apocalyptic number.

It is an amenable number.

258392389 is a deficient number, since it is larger than the sum of its proper divisors (1).

258392389 is an equidigital number, since it uses as much as digits as its factorization.

258392389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 258392389 is about 16074.5882995491. The cubic root of 258392389 is about 636.9322498176.

The spelling of 258392389 in words is "two hundred fifty-eight million, three hundred ninety-two thousand, three hundred eighty-nine".