258793943 has 2 divisors, whose sum is σ = 258793944. Its totient is φ = 258793942.

The previous prime is 258793879. The next prime is 258793949. The reversal of 258793943 is 349397852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258793943 - 2⁶ = 258793879 is a prime.

It is a super-3 number, since 3×258793943³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258793891 and 258793900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258793949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129396971 + 129396972.

It is an arithmetic number, because the mean of its divisors is an integer number (129396972).

Almost surely, 2^258793943 is an apocalyptic number.

258793943 is a deficient number, since it is larger than the sum of its proper divisors (1).

258793943 is an equidigital number, since it uses as much as digits as its factorization.

258793943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 258793943 is about 16087.0737861178. The cubic root of 258793943 is about 637.2620200026.

The spelling of 258793943 in words is "two hundred fifty-eight million, seven hundred ninety-three thousand, nine hundred forty-three".