210097 has 2 divisors, whose sum is σ = 210098. Its totient is φ = 210096.

The previous prime is 210071. The next prime is 210101. The reversal of 210097 is 790012.

210097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185761 + 24336 = 431^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 210097 - 2¹¹ = 208049 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (210037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105048 + 105049.

It is an arithmetic number, because the mean of its divisors is an integer number (105049).

2²¹⁰⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

210097 is a deficient number, since it is larger than the sum of its proper divisors (1).

210097 is an equidigital number, since it uses as much as digits as its factorization.

210097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 210097 is about 458.3633929537. The cubic root of 210097 is about 59.4483698718.

It can be divided in two parts, 2100 and 97, that added together give a cube (2197 = 13³).

The spelling of 210097 in words is "two hundred ten thousand, ninety-seven".