4003563 has 8 divisors (see below), whose sum is σ = 5428800. Its totient is φ = 2623688.

The previous prime is 4003529. The next prime is 4003577. The reversal of 4003563 is 3653004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4003563 - 2¹² = 3999467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4003513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11133 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (678600).

Almost surely, 2^4003563 is an apocalyptic number.

4003563 is a deficient number, since it is larger than the sum of its proper divisors (1425237).

4003563 is a wasteful number, since it uses less digits than its factorization.

4003563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 4003563 is about 2000.8905517294. The cubic root of 4003563 is about 158.7872237922.

Adding to 4003563 its reverse (3653004), we get a palindrome (7656567).

The spelling of 4003563 in words is "four million, three thousand, five hundred sixty-three".