210006089 has 2 divisors, whose sum is σ = 210006090. Its totient is φ = 210006088.

The previous prime is 210006079. The next prime is 210006127. The reversal of 210006089 is 980600012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153636025 + 56370064 = 12395^2 + 7508^2 .

It is a cyclic number.

It is not a de Polignac number, because 210006089 - 2⁸ = 210005833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (210006079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105003044 + 105003045.

It is an arithmetic number, because the mean of its divisors is an integer number (105003045).

Almost surely, 2^210006089 is an apocalyptic number.

It is an amenable number.

210006089 is a deficient number, since it is larger than the sum of its proper divisors (1).

210006089 is an equidigital number, since it uses as much as digits as its factorization.

210006089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 210006089 is about 14491.5868351261. The cubic root of 210006089 is about 594.3979400685.

The spelling of 210006089 in words is "two hundred ten million, six thousand, eighty-nine".