205335273 has 16 divisors (see below), whose sum is σ = 321644736. Its totient is φ = 114872640.

The previous prime is 205335253. The next prime is 205335287. The reversal of 205335273 is 372533502.

It is not a de Polignac number, because 205335273 - 2¹⁰ = 205334249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205335273.

It is not an unprimeable number, because it can be changed into a prime (205335233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238890 + ... + 239747.

It is an arithmetic number, because the mean of its divisors is an integer number (20102796).

Almost surely, 2^205335273 is an apocalyptic number.

It is an amenable number.

205335273 is a deficient number, since it is larger than the sum of its proper divisors (116309463).

205335273 is a wasteful number, since it uses less digits than its factorization.

205335273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478664.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 205335273 is about 14329.5245210719. The cubic root of 205335273 is about 589.9581249606.

Adding to 205335273 its reverse (372533502), we get a palindrome (577868775).

The spelling of 205335273 in words is "two hundred five million, three hundred thirty-five thousand, two hundred seventy-three".