206883473 has 2 divisors, whose sum is σ = 206883474. Its totient is φ = 206883472.

The previous prime is 206883463. The next prime is 206883493. The reversal of 206883473 is 374388602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137194369 + 69689104 = 11713^2 + 8348^2 .

It is a cyclic number.

It is not a de Polignac number, because 206883473 - 2¹⁰ = 206882449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206883473.

It is not a weakly prime, because it can be changed into another prime (206883403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103441736 + 103441737.

It is an arithmetic number, because the mean of its divisors is an integer number (103441737).

Almost surely, 2^206883473 is an apocalyptic number.

It is an amenable number.

206883473 is a deficient number, since it is larger than the sum of its proper divisors (1).

206883473 is an equidigital number, since it uses as much as digits as its factorization.

206883473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 206883473 is about 14383.4444066781. Note that the first 4 decimals coincide. The cubic root of 206883473 is about 591.4371485978.

The spelling of 206883473 in words is "two hundred six million, eight hundred eighty-three thousand, four hundred seventy-three".