258030085 has 4 divisors (see below), whose sum is σ = 309636108. Its totient is φ = 206424064.

The previous prime is 258030079. The next prime is 258030103. The reversal of 258030085 is 580030852.

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 82573569 + 175456516 = 9087^2 + 13246^2 .

It is a cyclic number.

It is not a de Polignac number, because 258030085 - 2¹⁵ = 257997317 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25803004 + ... + 25803013.

It is an arithmetic number, because the mean of its divisors is an integer number (77409027).

Almost surely, 2^258030085 is an apocalyptic number.

It is an amenable number.

258030085 is a deficient number, since it is larger than the sum of its proper divisors (51606023).

258030085 is an equidigital number, since it uses as much as digits as its factorization.

258030085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51606022.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 258030085 is about 16063.3148820535. The cubic root of 258030085 is about 636.6344197855.

The spelling of 258030085 in words is "two hundred fifty-eight million, thirty thousand, eighty-five".