206946653 has 2 divisors, whose sum is σ = 206946654. Its totient is φ = 206946652.

The previous prime is 206946631. The next prime is 206946671. The reversal of 206946653 is 356649602.

206946653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202009369 + 4937284 = 14213^2 + 2222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206946653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206946653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206946683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103473326 + 103473327.

It is an arithmetic number, because the mean of its divisors is an integer number (103473327).

Almost surely, 2^206946653 is an apocalyptic number.

It is an amenable number.

206946653 is a deficient number, since it is larger than the sum of its proper divisors (1).

206946653 is an equidigital number, since it uses as much as digits as its factorization.

206946653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 206946653 is about 14385.6405140682. The cubic root of 206946653 is about 591.4973486632.

The spelling of 206946653 in words is "two hundred six million, nine hundred forty-six thousand, six hundred fifty-three".