258494413 has 2 divisors, whose sum is σ = 258494414. Its totient is φ = 258494412.

The previous prime is 258494363. The next prime is 258494419. The reversal of 258494413 is 314494852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221503689 + 36990724 = 14883^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 258494413 - 2⁹ = 258493901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258494419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129247206 + 129247207.

It is an arithmetic number, because the mean of its divisors is an integer number (129247207).

Almost surely, 2^258494413 is an apocalyptic number.

It is an amenable number.

258494413 is a deficient number, since it is larger than the sum of its proper divisors (1).

258494413 is an equidigital number, since it uses as much as digits as its factorization.

258494413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 258494413 is about 16077.7614424397. The cubic root of 258494413 is about 637.0160678503.

The spelling of 258494413 in words is "two hundred fifty-eight million, four hundred ninety-four thousand, four hundred thirteen".