258994033 has 2 divisors, whose sum is σ = 258994034. Its totient is φ = 258994032.

The previous prime is 258994027. The next prime is 258994037. The reversal of 258994033 is 330499852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 116143729 = 11952^2 + 10777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258994033 is a prime.

It is not a weakly prime, because it can be changed into another prime (258994037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129497016 + 129497017.

It is an arithmetic number, because the mean of its divisors is an integer number (129497017).

Almost surely, 2^258994033 is an apocalyptic number.

It is an amenable number.

258994033 is a deficient number, since it is larger than the sum of its proper divisors (1).

258994033 is an equidigital number, since it uses as much as digits as its factorization.

258994033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 258994033 is about 16093.2915526936. The cubic root of 258994033 is about 637.4262135797.

The spelling of 258994033 in words is "two hundred fifty-eight million, nine hundred ninety-four thousand, thirty-three".