2811283 has 2 divisors, whose sum is σ = 2811284. Its totient is φ = 2811282.

The previous prime is 2811269. The next prime is 2811287. The reversal of 2811283 is 3821182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2811283 - 2¹³ = 2803091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2811287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405641 + 1405642.

It is an arithmetic number, because the mean of its divisors is an integer number (1405642).

2^2811283 is an apocalyptic number.

2811283 is a deficient number, since it is larger than the sum of its proper divisors (1).

2811283 is an equidigital number, since it uses as much as digits as its factorization.

2811283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 25.

The square root of 2811283 is about 1676.6881045680. The cubic root of 2811283 is about 141.1350415575.

It can be divided in two parts, 28 and 11283, that added together give a palindrome (11311).

The spelling of 2811283 in words is "two million, eight hundred eleven thousand, two hundred eighty-three".