2042503 has 4 divisors (see below), whose sum is σ = 2049768. Its totient is φ = 2035240.

The previous prime is 2042489. The next prime is 2042531. The reversal of 2042503 is 3052402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042503 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (512442).

2^2042503 is an apocalyptic number.

2042503 is a deficient number, since it is larger than the sum of its proper divisors (7265).

2042503 is an equidigital number, since it uses as much as digits as its factorization.

2042503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2042503 is about 1429.1616423624. The cubic root of 2042503 is about 126.8783632942.

Adding to 2042503 its reverse (3052402), we get a palindrome (5094905).

The spelling of 2042503 in words is "two million, forty-two thousand, five hundred three".