258494567 has 2 divisors, whose sum is σ = 258494568. Its totient is φ = 258494566.

The previous prime is 258494531. The next prime is 258494569. The reversal of 258494567 is 765494852.

258494567 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 is a cyclic number.

It is not a de Polignac number, because 258494567 - 2⁸ = 258494311 is a prime.

Together with 258494569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258494569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129247283 + 129247284.

It is an arithmetic number, because the mean of its divisors is an integer number (129247284).

Almost surely, 2^258494567 is an apocalyptic number.

258494567 is a deficient number, since it is larger than the sum of its proper divisors (1).

258494567 is an equidigital number, since it uses as much as digits as its factorization.

258494567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 50.

The square root of 258494567 is about 16077.7662316629. The cubic root of 258494567 is about 637.0161943526.

The spelling of 258494567 in words is "two hundred fifty-eight million, four hundred ninety-four thousand, five hundred sixty-seven".