4542503 has 8 divisors (see below), whose sum is σ = 5302272. Its totient is φ = 3810456.

The previous prime is 4542491. The next prime is 4542511. The reversal of 4542503 is 3052454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4542503 - 2¹⁰ = 4541479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6575 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (662784).

Almost surely, 2^4542503 is an apocalyptic number.

4542503 is a deficient number, since it is larger than the sum of its proper divisors (759769).

4542503 is a wasteful number, since it uses less digits than its factorization.

4542503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4542503 is about 2131.3148523857. The cubic root of 4542503 is about 165.6145189997.

Adding to 4542503 its reverse (3052454), we get a palindrome (7594957).

The spelling of 4542503 in words is "four million, five hundred forty-two thousand, five hundred three".