205041233 has 4 divisors (see below), whose sum is σ = 217102500. Its totient is φ = 192979968.

The previous prime is 205041229. The next prime is 205041269. The reversal of 205041233 is 332140502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332140502 = 2 ⋅166070251.

It can be written as a sum of positive squares in 2 ways, for example, as 187333969 + 17707264 = 13687^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 205041233 - 2² = 205041229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205041283) by changing a digit.

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, 6030608 + ... + 6030641.

It is an arithmetic number, because the mean of its divisors is an integer number (54275625).

Almost surely, 2^205041233 is an apocalyptic number.

It is an amenable number.

205041233 is a deficient number, since it is larger than the sum of its proper divisors (12061267).

205041233 is a wasteful number, since it uses less digits than its factorization.

205041233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061266.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205041233 is about 14319.2609096978. The cubic root of 205041233 is about 589.6763838613.

Adding to 205041233 its reverse (332140502), we get a palindrome (537181735).

The spelling of 205041233 in words is "two hundred five million, forty-one thousand, two hundred thirty-three".