210065071 has 2 divisors, whose sum is σ = 210065072. Its totient is φ = 210065070.

The previous prime is 210065027. The next prime is 210065081. The reversal of 210065071 is 170560012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210065071 - 2¹⁹ = 209540783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210065081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105032535 + 105032536.

It is an arithmetic number, because the mean of its divisors is an integer number (105032536).

Almost surely, 2^210065071 is an apocalyptic number.

210065071 is a deficient number, since it is larger than the sum of its proper divisors (1).

210065071 is an equidigital number, since it uses as much as digits as its factorization.

210065071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 210065071 is about 14493.6217350944. The cubic root of 210065071 is about 594.4535821022.

The spelling of 210065071 in words is "two hundred ten million, sixty-five thousand, seventy-one".