258514493 has 2 divisors, whose sum is σ = 258514494. Its totient is φ = 258514492.

The previous prime is 258514453. The next prime is 258514499. The reversal of 258514493 is 394415852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 122722084 = 11653^2 + 11078^2 .

It is a cyclic number.

It is not a de Polignac number, because 258514493 - 2¹⁰ = 258513469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258514493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258514499) 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, 129257246 + 129257247.

It is an arithmetic number, because the mean of its divisors is an integer number (129257247).

Almost surely, 2^258514493 is an apocalyptic number.

It is an amenable number.

258514493 is a deficient number, since it is larger than the sum of its proper divisors (1).

258514493 is an equidigital number, since it uses as much as digits as its factorization.

258514493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 258514493 is about 16078.3858953565. The cubic root of 258514493 is about 637.0325620191.

The spelling of 258514493 in words is "two hundred fifty-eight million, five hundred fourteen thousand, four hundred ninety-three".