206900651 has 2 divisors, whose sum is σ = 206900652. Its totient is φ = 206900650.

The previous prime is 206900611. The next prime is 206900717. The reversal of 206900651 is 156009602.

206900651 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206900651 is a prime.

It is equal to p_11439713 and since 206900651 and 11439713 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (206900611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103450325 + 103450326.

It is an arithmetic number, because the mean of its divisors is an integer number (103450326).

Almost surely, 2^206900651 is an apocalyptic number.

206900651 is a deficient number, since it is larger than the sum of its proper divisors (1).

206900651 is an equidigital number, since it uses as much as digits as its factorization.

206900651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 206900651 is about 14384.0415391503. The cubic root of 206900651 is about 591.4535175969.

The spelling of 206900651 in words is "two hundred six million, nine hundred thousand, six hundred fifty-one".