2160749 has 2 divisors, whose sum is σ = 2160750. Its totient is φ = 2160748.

The previous prime is 2160733. The next prime is 2160773. The reversal of 2160749 is 9470612.

2160749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1170724 + 990025 = 1082^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160749 - 2⁴ = 2160733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2160149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080374 + 1080375.

It is an arithmetic number, because the mean of its divisors is an integer number (1080375).

2^2160749 is an apocalyptic number.

It is an amenable number.

2160749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160749 is an equidigital number, since it uses as much as digits as its factorization.

2160749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2160749 is about 1469.9486385585. The cubic root of 2160749 is about 129.2810210788.

The spelling of 2160749 in words is "two million, one hundred sixty thousand, seven hundred forty-nine".