258862273 has 2 divisors, whose sum is σ = 258862274. Its totient is φ = 258862272.

The previous prime is 258862271. The next prime is 258862291. The reversal of 258862273 is 372268852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247653169 + 11209104 = 15737^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 258862273 - 2¹ = 258862271 is a prime.

Together with 258862271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (258862271) 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, 129431136 + 129431137.

It is an arithmetic number, because the mean of its divisors is an integer number (129431137).

Almost surely, 2^258862273 is an apocalyptic number.

It is an amenable number.

258862273 is a deficient number, since it is larger than the sum of its proper divisors (1).

258862273 is an equidigital number, since it uses as much as digits as its factorization.

258862273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 258862273 is about 16089.1974007407. The cubic root of 258862273 is about 637.3181010189.

The spelling of 258862273 in words is "two hundred fifty-eight million, eight hundred sixty-two thousand, two hundred seventy-three".