258094939 has 2 divisors, whose sum is σ = 258094940. Its totient is φ = 258094938.

The previous prime is 258094919. The next prime is 258094957. The reversal of 258094939 is 939490852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258094939 - 2²⁵ = 224540507 is a prime.

It is a super-2 number, since 2×258094939² = 133225995074827442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258094892 and 258094901.

It is not a weakly prime, because it can be changed into another prime (258094919) 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, 129047469 + 129047470.

It is an arithmetic number, because the mean of its divisors is an integer number (129047470).

Almost surely, 2^258094939 is an apocalyptic number.

258094939 is a deficient number, since it is larger than the sum of its proper divisors (1).

258094939 is an equidigital number, since it uses as much as digits as its factorization.

258094939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 258094939 is about 16065.3334543669. Note that the first 3 decimals coincide. The cubic root of 258094939 is about 636.6877531400.

The spelling of 258094939 in words is "two hundred fifty-eight million, ninety-four thousand, nine hundred thirty-nine".