258862243 has 2 divisors, whose sum is σ = 258862244. Its totient is φ = 258862242.

The previous prime is 258862159. The next prime is 258862259. The reversal of 258862243 is 342268852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258862243 - 2²⁵ = 225307811 is a prime.

It is a super-3 number, since 3×258862243³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258862196 and 258862205.

It is not a weakly prime, because it can be changed into another prime (258862273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129431121 + 129431122.

It is an arithmetic number, because the mean of its divisors is an integer number (129431122).

Almost surely, 2^258862243 is an apocalyptic number.

258862243 is a deficient number, since it is larger than the sum of its proper divisors (1).

258862243 is an equidigital number, since it uses as much as digits as its factorization.

258862243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 40.

The square root of 258862243 is about 16089.1964684381. The cubic root of 258862243 is about 637.3180763990.

The spelling of 258862243 in words is "two hundred fifty-eight million, eight hundred sixty-two thousand, two hundred forty-three".