206633201 has 2 divisors, whose sum is σ = 206633202. Its totient is φ = 206633200.

The previous prime is 206633179. The next prime is 206633233. The reversal of 206633201 is 102336602.

206633201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 84198976 = 11065^2 + 9176^2 .

It is a cyclic number.

It is not a de Polignac number, because 206633201 - 2⁶ = 206633137 is a prime.

It is not a weakly prime, because it can be changed into another prime (206633261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103316600 + 103316601.

It is an arithmetic number, because the mean of its divisors is an integer number (103316601).

Almost surely, 2^206633201 is an apocalyptic number.

It is an amenable number.

206633201 is a deficient number, since it is larger than the sum of its proper divisors (1).

206633201 is an equidigital number, since it uses as much as digits as its factorization.

206633201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 206633201 is about 14374.7417715937. The cubic root of 206633201 is about 591.1985603659.

Adding to 206633201 its reverse (102336602), we get a palindrome (308969803).

The spelling of 206633201 in words is "two hundred six million, six hundred thirty-three thousand, two hundred one".