2107289 has 2 divisors, whose sum is σ = 2107290. Its totient is φ = 2107288.

The previous prime is 2107247. The next prime is 2107319. The reversal of 2107289 is 9827012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 648025 = 1208^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107289 - 2⁸ = 2107033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2106289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053644 + 1053645.

It is an arithmetic number, because the mean of its divisors is an integer number (1053645).

2^2107289 is an apocalyptic number.

It is an amenable number.

2107289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107289 is an equidigital number, since it uses as much as digits as its factorization.

2107289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2107289 is about 1451.6504400165. The cubic root of 2107289 is about 128.2059063854.

The spelling of 2107289 in words is "two million, one hundred seven thousand, two hundred eighty-nine".