210968207 has 2 divisors, whose sum is σ = 210968208. Its totient is φ = 210968206.

The previous prime is 210968203. The next prime is 210968227. The reversal of 210968207 is 702869012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210968207 - 2² = 210968203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210968203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105484103 + 105484104.

It is an arithmetic number, because the mean of its divisors is an integer number (105484104).

Almost surely, 2^210968207 is an apocalyptic number.

210968207 is a deficient number, since it is larger than the sum of its proper divisors (1).

210968207 is an equidigital number, since it uses as much as digits as its factorization.

210968207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 210968207 is about 14524.7446449154. The cubic root of 210968207 is about 595.3042786119.

The spelling of 210968207 in words is "two hundred ten million, nine hundred sixty-eight thousand, two hundred seven".