258312199 has 2 divisors, whose sum is σ = 258312200. Its totient is φ = 258312198.

The previous prime is 258312157. The next prime is 258312203. The reversal of 258312199 is 991213852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258312199 - 2⁷ = 258312071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258315199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129156099 + 129156100.

It is an arithmetic number, because the mean of its divisors is an integer number (129156100).

Almost surely, 2^258312199 is an apocalyptic number.

258312199 is a deficient number, since it is larger than the sum of its proper divisors (1).

258312199 is an equidigital number, since it uses as much as digits as its factorization.

258312199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 258312199 is about 16072.0937963913. The cubic root of 258312199 is about 636.8663540664.

The spelling of 258312199 in words is "two hundred fifty-eight million, three hundred twelve thousand, one hundred ninety-nine".