2805000503 has 2 divisors, whose sum is σ = 2805000504. Its totient is φ = 2805000502.

The previous prime is 2805000487. The next prime is 2805000547. The reversal of 2805000503 is 3050005082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2805000503 - 2⁴ = 2805000487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805000563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402500251 + 1402500252.

It is an arithmetic number, because the mean of its divisors is an integer number (1402500252).

Almost surely, 2^2805000503 is an apocalyptic number.

2805000503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805000503 is an equidigital number, since it uses as much as digits as its factorization.

2805000503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2805000503 is about 52962.2554561265. The cubic root of 2805000503 is about 1410.2982959586.

Adding to 2805000503 its reverse (3050005082), we get a palindrome (5855005585).

The spelling of 2805000503 in words is "two billion, eight hundred five million, five hundred three", and thus it is an aban number.