42000563 has 8 divisors (see below), whose sum is σ = 46794240. Its totient is φ = 37369480.

The previous prime is 42000559. The next prime is 42000571. The reversal of 42000563 is 36500024.

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 42000563 - 2² = 42000559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42000503) 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, 40103 + ... + 41136.

It is an arithmetic number, because the mean of its divisors is an integer number (5849280).

Almost surely, 2^42000563 is an apocalyptic number.

42000563 is a deficient number, since it is larger than the sum of its proper divisors (4793677).

42000563 is a wasteful number, since it uses less digits than its factorization.

42000563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81297.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42000563 is about 6480.7841346553. The cubic root of 42000563 is about 347.6042176587.

Adding to 42000563 its reverse (36500024), we get a palindrome (78500587).

The spelling of 42000563 in words is "forty-two million, five hundred sixty-three", and thus it is an aban number.