206650225 has 12 divisors (see below), whose sum is σ = 259758796. Its totient is φ = 163054080.

The previous prime is 206650159. The next prime is 206650243. The reversal of 206650225 is 522056602.

206650225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 37442161 + 169208064 = 6119^2 + 13008^2 .

It is not a de Polignac number, because 206650225 - 2⁷ = 206650097 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206650193 and 206650202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54792 + ... + 58441.

Almost surely, 2^206650225 is an apocalyptic number.

206650225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206650225 is a deficient number, since it is larger than the sum of its proper divisors (53108571).

206650225 is a wasteful number, since it uses less digits than its factorization.

206650225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113316 (or 113311 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 206650225 is about 14375.3339091654. Note that the first 3 decimals coincide. The cubic root of 206650225 is about 591.2147957173.

The spelling of 206650225 in words is "two hundred six million, six hundred fifty thousand, two hundred twenty-five".