830503 has 2 divisors, whose sum is σ = 830504. Its totient is φ = 830502.

The previous prime is 830497. The next prime is 830513. The reversal of 830503 is 305038.

830503 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 a de Polignac number, because none of the positive numbers 2^k-830503 is a prime.

It is an alternating number because its digits alternate between even and odd.

830503 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415251 + 415252.

It is an arithmetic number, because the mean of its divisors is an integer number (415252).

2⁸³⁰⁵⁰³ is an apocalyptic number.

830503 is a deficient number, since it is larger than the sum of its proper divisors (1).

830503 is an equidigital number, since it uses as much as digits as its factorization.

830503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 830503 is about 911.3193732167. The cubic root of 830503 is about 93.9969442194.

The spelling of 830503 in words is "eight hundred thirty thousand, five hundred three".