5663603 has 4 divisors (see below), whose sum is σ = 6178488. Its totient is φ = 5148720.

The previous prime is 5663597. The next prime is 5663611. The reversal of 5663603 is 3063665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5663603 - 2⁸ = 5663347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663303) 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, 257426 + ... + 257447.

It is an arithmetic number, because the mean of its divisors is an integer number (1544622).

Almost surely, 2^5663603 is an apocalyptic number.

5663603 is a deficient number, since it is larger than the sum of its proper divisors (514885).

5663603 is a wasteful number, since it uses less digits than its factorization.

5663603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514884.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 5663603 is about 2379.8325571351. The cubic root of 5663603 is about 178.2505729088.

The spelling of 5663603 in words is "five million, six hundred sixty-three thousand, six hundred three".