4542003 has 6 divisors (see below), whose sum is σ = 6560684. Its totient is φ = 3027996.

The previous prime is 4542001. The next prime is 4542011. The reversal of 4542003 is 3002454.

It is a happy number.

It is not a de Polignac number, because 4542003 - 2¹ = 4542001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542001) 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 5 ways as a sum of consecutive naturals, for example, 252325 + ... + 252342.

Almost surely, 2^4542003 is an apocalyptic number.

4542003 is a deficient number, since it is larger than the sum of its proper divisors (2018681).

4542003 is a wasteful number, since it uses less digits than its factorization.

4542003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504673 (or 504670 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4542003 is about 2131.1975506743. The cubic root of 4542003 is about 165.6084422987.

Adding to 4542003 its reverse (3002454), we get a palindrome (7544457).

The spelling of 4542003 in words is "four million, five hundred forty-two thousand, three".