210004097 has 2 divisors, whose sum is σ = 210004098. Its totient is φ = 210004096.

The previous prime is 210004079. The next prime is 210004117. The reversal of 210004097 is 790400012.

Together with previous prime (210004079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125529616 + 84474481 = 11204^2 + 9191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210004097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210024097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105002048 + 105002049.

It is an arithmetic number, because the mean of its divisors is an integer number (105002049).

Almost surely, 2^210004097 is an apocalyptic number.

It is an amenable number.

210004097 is a deficient number, since it is larger than the sum of its proper divisors (1).

210004097 is an equidigital number, since it uses as much as digits as its factorization.

210004097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 210004097 is about 14491.5181054298. The cubic root of 210004097 is about 594.3960606874.

The spelling of 210004097 in words is "two hundred ten million, four thousand, ninety-seven".