4520403 has 12 divisors (see below), whose sum is σ = 6640920. Its totient is φ = 2962176.

The previous prime is 4520393. The next prime is 4520407. The reversal of 4520403 is 3040254.

It is a happy number.

It is not a de Polignac number, because 4520403 - 2⁵ = 4520371 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4520407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3726 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (553410).

Almost surely, 2^4520403 is an apocalyptic number.

4520403 is a deficient number, since it is larger than the sum of its proper divisors (2120517).

4520403 is a wasteful number, since it uses less digits than its factorization.

4520403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8575 counting only the distinct ones).

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

The square root of 4520403 is about 2126.1239380619. The cubic root of 4520403 is about 165.3455019262.

Adding to 4520403 its reverse (3040254), we get a palindrome (7560657).

The spelling of 4520403 in words is "four million, five hundred twenty thousand, four hundred three".