10820503 has 2 divisors, whose sum is σ = 10820504. Its totient is φ = 10820502.

The previous prime is 10820489. The next prime is 10820521. The reversal of 10820503 is 30502801.

It is a happy number.

10820503 is digitally balanced in base 3, 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 10820503 - 2¹⁷ = 10689431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10820543) 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, 5410251 + 5410252.

It is an arithmetic number, because the mean of its divisors is an integer number (5410252).

Almost surely, 2^10820503 is an apocalyptic number.

10820503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10820503 is an equidigital number, since it uses as much as digits as its factorization.

10820503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10820503 is about 3289.4532980421. The cubic root of 10820503 is about 221.1816787143.

The spelling of 10820503 in words is "ten million, eight hundred twenty thousand, five hundred three".