205235313 has 4 divisors (see below), whose sum is σ = 273647088. Its totient is φ = 136823540.

The previous prime is 205235311. The next prime is 205235347. The reversal of 205235313 is 313532502.

It is a happy number.

205235313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205235313 - 2¹ = 205235311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205235311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34205883 + ... + 34205888.

It is an arithmetic number, because the mean of its divisors is an integer number (68411772).

Almost surely, 2^205235313 is an apocalyptic number.

It is an amenable number.

205235313 is a deficient number, since it is larger than the sum of its proper divisors (68411775).

205235313 is an equidigital number, since it uses as much as digits as its factorization.

205235313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68411774.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 205235313 is about 14326.0361928902. The cubic root of 205235313 is about 589.8623762121.

Adding to 205235313 its reverse (313532502), we get a palindrome (518767815).

The spelling of 205235313 in words is "two hundred five million, two hundred thirty-five thousand, three hundred thirteen".