2820941 has 2 divisors, whose sum is σ = 2820942. Its totient is φ = 2820940.

The previous prime is 2820919. The next prime is 2820943. The reversal of 2820941 is 1490282.

2820941 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., 2788900 + 32041 = 1670^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820941 - 2⁶ = 2820877 is a prime.

Together with 2820943, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2820941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2820943) 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, 1410470 + 1410471.

It is an arithmetic number, because the mean of its divisors is an integer number (1410471).

2^2820941 is an apocalyptic number.

It is an amenable number.

2820941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820941 is an equidigital number, since it uses as much as digits as its factorization.

2820941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2820941 is about 1679.5657176782. The cubic root of 2820941 is about 141.2964772524.

The spelling of 2820941 in words is "two million, eight hundred twenty thousand, nine hundred forty-one".