258105851 has 2 divisors, whose sum is σ = 258105852. Its totient is φ = 258105850.

The previous prime is 258105791. The next prime is 258105853. The reversal of 258105851 is 158501852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258105851 is a prime.

Together with 258105853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258105853) 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, 129052925 + 129052926.

It is an arithmetic number, because the mean of its divisors is an integer number (129052926).

Almost surely, 2^258105851 is an apocalyptic number.

258105851 is a deficient number, since it is larger than the sum of its proper divisors (1).

258105851 is an equidigital number, since it uses as much as digits as its factorization.

258105851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 258105851 is about 16065.6730640207. The cubic root of 258105851 is about 636.6967258574.

The spelling of 258105851 in words is "two hundred fifty-eight million, one hundred five thousand, eight hundred fifty-one".