2110289 has 2 divisors, whose sum is σ = 2110290. Its totient is φ = 2110288.

The previous prime is 2110267. The next prime is 2110291. The reversal of 2110289 is 9820112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 102400 = 1417^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110289 - 2⁸ = 2110033 is a prime.

Together with 2110291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2110259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055144 + 1055145.

It is an arithmetic number, because the mean of its divisors is an integer number (1055145).

2^2110289 is an apocalyptic number.

It is an amenable number.

2110289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110289 is an equidigital number, since it uses as much as digits as its factorization.

2110289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2110289 is about 1452.6833791298. The cubic root of 2110289 is about 128.2667167987.

The spelling of 2110289 in words is "two million, one hundred ten thousand, two hundred eighty-nine".