4513603 has 4 divisors (see below), whose sum is σ = 4518648. Its totient is φ = 4508560.

The previous prime is 4513577. The next prime is 4513609. The reversal of 4513603 is 3063154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4513603 - 2²¹ = 2416451 is a prime.

It is a super-2 number, since 2×4513603² = 40745224083218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4513609) 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, 778 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (1129662).

Almost surely, 2^4513603 is an apocalyptic number.

4513603 is a deficient number, since it is larger than the sum of its proper divisors (5045).

4513603 is a wasteful number, since it uses less digits than its factorization.

4513603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 4513603 is about 2124.5241820229. The cubic root of 4513603 is about 165.2625510870.

Adding to 4513603 its reverse (3063154), we get a palindrome (7576757).

The spelling of 4513603 in words is "four million, five hundred thirteen thousand, six hundred three".