206086313 has 4 divisors (see below), whose sum is σ = 209974788. Its totient is φ = 202197840.

The previous prime is 206086303. The next prime is 206086333. The reversal of 206086313 is 313680602.

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

It can be written as a sum of positive squares in 2 ways, for example, as 100962304 + 105124009 = 10048^2 + 10253^2 .

It is a cyclic number.

It is not a de Polignac number, because 206086313 - 2²⁰ = 205037737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206086303) 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, 1944158 + ... + 1944263.

It is an arithmetic number, because the mean of its divisors is an integer number (52493697).

Almost surely, 2^206086313 is an apocalyptic number.

It is an amenable number.

206086313 is a deficient number, since it is larger than the sum of its proper divisors (3888475).

206086313 is an equidigital number, since it uses as much as digits as its factorization.

206086313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888474.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 206086313 is about 14355.7066353419. The cubic root of 206086313 is about 590.6765321926.

The spelling of 206086313 in words is "two hundred six million, eighty-six thousand, three hundred thirteen".