258912263 has 2 divisors, whose sum is σ = 258912264. Its totient is φ = 258912262.

The previous prime is 258912257. The next prime is 258912289. The reversal of 258912263 is 362219852.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258912263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258912293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129456131 + 129456132.

It is an arithmetic number, because the mean of its divisors is an integer number (129456132).

Almost surely, 2^258912263 is an apocalyptic number.

258912263 is a deficient number, since it is larger than the sum of its proper divisors (1).

258912263 is an equidigital number, since it uses as much as digits as its factorization.

258912263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 258912263 is about 16090.7508525861. The cubic root of 258912263 is about 637.3591234526.

The spelling of 258912263 in words is "two hundred fifty-eight million, nine hundred twelve thousand, two hundred sixty-three".