2146813 has 2 divisors, whose sum is σ = 2146814. Its totient is φ = 2146812.

The previous prime is 2146789. The next prime is 2146817. The reversal of 2146813 is 3186412.

2146813 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., 1375929 + 770884 = 1173^2 + 878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146817) 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, 1073406 + 1073407.

It is an arithmetic number, because the mean of its divisors is an integer number (1073407).

2^2146813 is an apocalyptic number.

It is an amenable number.

2146813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146813 is an equidigital number, since it uses as much as digits as its factorization.

2146813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 2146813 is about 1465.2006688505. The cubic root of 2146813 is about 129.0024837773.

The spelling of 2146813 in words is "two million, one hundred forty-six thousand, eight hundred thirteen".