2281003 has 2 divisors, whose sum is σ = 2281004. Its totient is φ = 2281002.

The previous prime is 2281001. The next prime is 2281033. The reversal of 2281003 is 3001822.

It is a happy number.

2281003 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 2281003 - 2¹ = 2281001 is a prime.

Together with 2281001, it forms a pair of twin primes.

2281003 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2281001) 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, 1140501 + 1140502.

It is an arithmetic number, because the mean of its divisors is an integer number (1140502).

2^2281003 is an apocalyptic number.

2281003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281003 is an equidigital number, since it uses as much as digits as its factorization.

2281003 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 16.

The square root of 2281003 is about 1510.2989770241. The cubic root of 2281003 is about 131.6361844371.

Adding to 2281003 its reverse (3001822), we get a palindrome (5282825).

The spelling of 2281003 in words is "two million, two hundred eighty-one thousand, three".