2811203 has 2 divisors, whose sum is σ = 2811204. Its totient is φ = 2811202.

The previous prime is 2811197. The next prime is 2811209. The reversal of 2811203 is 3021182.

2811203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2811197) and next prime (2811209).

It is a cyclic number.

It is not a de Polignac number, because 2811203 - 2⁴ = 2811187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2811209) 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, 1405601 + 1405602.

It is an arithmetic number, because the mean of its divisors is an integer number (1405602).

2^2811203 is an apocalyptic number.

2811203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2811203 is an equidigital number, since it uses as much as digits as its factorization.

2811203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2811203 is about 1676.6642478445. The cubic root of 2811203 is about 141.1337027962.

Adding to 2811203 its reverse (3021182), we get a palindrome (5832385).

The spelling of 2811203 in words is "two million, eight hundred eleven thousand, two hundred three".