563003 has 4 divisors (see below), whose sum is σ = 643440. Its totient is φ = 482568.

The previous prime is 562997. The next prime is 563009. The reversal of 563003 is 300365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (562997) and next prime (563009).

It is a cyclic number.

It is not a de Polignac number, because 563003 - 2⁴ = 562987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (563009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40208 + ... + 40221.

It is an arithmetic number, because the mean of its divisors is an integer number (160860).

2⁵⁶³⁰⁰³ is an apocalyptic number.

563003 is a deficient number, since it is larger than the sum of its proper divisors (80437).

563003 is an equidigital number, since it uses as much as digits as its factorization.

563003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80436.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 563003 is about 750.3352584012. The cubic root of 563003 is about 82.5727793644.

Adding to 563003 its reverse (300365), we get a palindrome (863368).

The spelling of 563003 in words is "five hundred sixty-three thousand, three".