258120433 has 2 divisors, whose sum is σ = 258120434. Its totient is φ = 258120432.

The previous prime is 258120407. The next prime is 258120439. The reversal of 258120433 is 334021852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211498849 + 46621584 = 14543^2 + 6828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258120433 is a prime.

It is not a weakly prime, because it can be changed into another prime (258120439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129060216 + 129060217.

It is an arithmetic number, because the mean of its divisors is an integer number (129060217).

Almost surely, 2^258120433 is an apocalyptic number.

It is an amenable number.

258120433 is a deficient number, since it is larger than the sum of its proper divisors (1).

258120433 is an equidigital number, since it uses as much as digits as its factorization.

258120433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 258120433 is about 16066.1268823572. The cubic root of 258120433 is about 636.7087159470.

The spelling of 258120433 in words is "two hundred fifty-eight million, one hundred twenty thousand, four hundred thirty-three".