206512233 has 16 divisors (see below), whose sum is σ = 279816192. Its totient is φ = 135450000.

The previous prime is 206512181. The next prime is 206512253. The reversal of 206512233 is 332215602.

It is not a de Polignac number, because 206512233 - 2²⁵ = 172957801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206512253) 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, 159318 + ... + 160608.

It is an arithmetic number, because the mean of its divisors is an integer number (17488512).

Almost surely, 2^206512233 is an apocalyptic number.

It is an amenable number.

206512233 is a deficient number, since it is larger than the sum of its proper divisors (73303959).

206512233 is a wasteful number, since it uses less digits than its factorization.

206512233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 206512233 is about 14370.5334974036. The cubic root of 206512233 is about 591.0831706038.

Adding to 206512233 its reverse (332215602), we get a palindrome (538727835).

The spelling of 206512233 in words is "two hundred six million, five hundred twelve thousand, two hundred thirty-three".