258105073 has 4 divisors (see below), whose sum is σ = 261005220. Its totient is φ = 255204928.

The previous prime is 258105047. The next prime is 258105097. The reversal of 258105073 is 370501852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169312144 + 88792929 = 13012^2 + 9423^2 .

It is a cyclic number.

It is not a de Polignac number, because 258105073 - 2⁵ = 258105041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258105173) 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 in 3 ways as a sum of consecutive naturals, for example, 1449940 + ... + 1450117.

It is an arithmetic number, because the mean of its divisors is an integer number (65251305).

Almost surely, 2^258105073 is an apocalyptic number.

It is an amenable number.

258105073 is a deficient number, since it is larger than the sum of its proper divisors (2900147).

258105073 is an equidigital number, since it uses as much as digits as its factorization.

258105073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900146.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 258105073 is about 16065.6488508868. The cubic root of 258105073 is about 636.6960861321.

The spelling of 258105073 in words is "two hundred fifty-eight million, one hundred five thousand, seventy-three".