5613603 has 16 divisors (see below), whose sum is σ = 7777536. Its totient is φ = 3598560.

The previous prime is 5613589. The next prime is 5613611. The reversal of 5613603 is 3063165.

It is not a de Polignac number, because 5613603 - 2⁵ = 5613571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5613623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (486096).

Almost surely, 2^5613603 is an apocalyptic number.

5613603 is a deficient number, since it is larger than the sum of its proper divisors (2163933).

5613603 is a wasteful number, since it uses less digits than its factorization.

5613603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 5613603 is about 2369.3043282787. The cubic root of 5613603 is about 177.7244716771.

Adding to 5613603 its reverse (3063165), we get a palindrome (8676768).

It can be divided in two parts, 5613 and 603, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 5613603 in words is "five million, six hundred thirteen thousand, six hundred three".