4000563 has 32 divisors (see below), whose sum is σ = 6904320. Its totient is φ = 2242080.

The previous prime is 4000561. The next prime is 4000567. The reversal of 4000563 is 3650004.

It is a happy number.

4000563 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4000563 - 2¹ = 4000561 is a prime.

4000563 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11356 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (215760).

Almost surely, 2^4000563 is an apocalyptic number.

4000563 is a deficient number, since it is larger than the sum of its proper divisors (2903757).

4000563 is a wasteful number, since it uses less digits than its factorization.

4000563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 4000563 is about 2000.1407450477. The cubic root of 4000563 is about 158.7475524040.

Adding to 4000563 its reverse (3650004), we get a palindrome (7650567).

The spelling of 4000563 in words is "four million, five hundred sixty-three", and thus it is an aban number.