258743291 has 2 divisors, whose sum is σ = 258743292. Its totient is φ = 258743290.

The previous prime is 258743263. The next prime is 258743321. The reversal of 258743291 is 192347852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258743291 - 2¹⁴ = 258726907 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258743201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129371645 + 129371646.

It is an arithmetic number, because the mean of its divisors is an integer number (129371646).

Almost surely, 2^258743291 is an apocalyptic number.

258743291 is a deficient number, since it is larger than the sum of its proper divisors (1).

258743291 is an equidigital number, since it uses as much as digits as its factorization.

258743291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 258743291 is about 16085.4994016350. The cubic root of 258743291 is about 637.2204416184.

The spelling of 258743291 in words is "two hundred fifty-eight million, seven hundred forty-three thousand, two hundred ninety-one".