2144503 has 2 divisors, whose sum is σ = 2144504. Its totient is φ = 2144502.

The previous prime is 2144501. The next prime is 2144507. The reversal of 2144503 is 3054412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144503 - 2¹ = 2144501 is a prime.

Together with 2144501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072251 + 1072252.

It is an arithmetic number, because the mean of its divisors is an integer number (1072252).

2^2144503 is an apocalyptic number.

2144503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144503 is an equidigital number, since it uses as much as digits as its factorization.

2144503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2144503 is about 1464.4121687558. The cubic root of 2144503 is about 128.9561976958.

Adding to 2144503 its reverse (3054412), we get a palindrome (5198915).

Subtracting 2144503 from its reverse (3054412), we obtain a palindrome (909909).

The spelling of 2144503 in words is "two million, one hundred forty-four thousand, five hundred three".