258659243 has 2 divisors, whose sum is σ = 258659244. Its totient is φ = 258659242.

The previous prime is 258659237. The next prime is 258659251. The reversal of 258659243 is 342956852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258659243 - 2¹⁰ = 258658219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258659194 and 258659203.

It is not a weakly prime, because it can be changed into another prime (258659213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129329621 + 129329622.

It is an arithmetic number, because the mean of its divisors is an integer number (129329622).

Almost surely, 2^258659243 is an apocalyptic number.

258659243 is a deficient number, since it is larger than the sum of its proper divisors (1).

258659243 is an equidigital number, since it uses as much as digits as its factorization.

258659243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The square root of 258659243 is about 16082.8866501011. The cubic root of 258659243 is about 637.1514376988.

The spelling of 258659243 in words is "two hundred fifty-eight million, six hundred fifty-nine thousand, two hundred forty-three".