205350115 has 4 divisors (see below), whose sum is σ = 246420144. Its totient is φ = 164280088.

The previous prime is 205350091. The next prime is 205350127. The reversal of 205350115 is 511053502.

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

It is a cyclic number.

It is not a de Polignac number, because 205350115 - 2⁹ = 205349603 is a prime.

It is a Smith number, since the sum of its digits (22) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20535007 + ... + 20535016.

It is an arithmetic number, because the mean of its divisors is an integer number (61605036).

Almost surely, 2^205350115 is an apocalyptic number.

205350115 is a deficient number, since it is larger than the sum of its proper divisors (41070029).

205350115 is an equidigital number, since it uses as much as digits as its factorization.

205350115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41070028.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 205350115 is about 14330.0423935172. The cubic root of 205350115 is about 589.9723390269.

The spelling of 205350115 in words is "two hundred five million, three hundred fifty thousand, one hundred fifteen".