2000503 has 2 divisors, whose sum is σ = 2000504. Its totient is φ = 2000502.

The previous prime is 2000497. The next prime is 2000519. The reversal of 2000503 is 3050002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000251 + 1000252.

It is an arithmetic number, because the mean of its divisors is an integer number (1000252).

2^2000503 is an apocalyptic number.

2000503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000503 is an equidigital number, since it uses as much as digits as its factorization.

2000503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 2000503 is about 1414.3913885484. The cubic root of 2000503 is about 126.0026664423.

Adding to 2000503 its reverse (3050002), we get a palindrome (5050505).

The spelling of 2000503 in words is "two million, five hundred three", and thus it is an aban number.