2820271 has 2 divisors, whose sum is σ = 2820272. Its totient is φ = 2820270.

The previous prime is 2820263. The next prime is 2820313. The reversal of 2820271 is 1720282.

2820271 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 is a cyclic number.

It is not a de Polignac number, because 2820271 - 2³ = 2820263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2820211) 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, 1410135 + 1410136.

It is an arithmetic number, because the mean of its divisors is an integer number (1410136).

2^2820271 is an apocalyptic number.

2820271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820271 is an equidigital number, since it uses as much as digits as its factorization.

2820271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2820271 is about 1679.3662495120. The cubic root of 2820271 is about 141.2852899529.

The spelling of 2820271 in words is "two million, eight hundred twenty thousand, two hundred seventy-one".