42107563 has 4 divisors (see below), whose sum is σ = 42203920. Its totient is φ = 42011208.

The previous prime is 42107551. The next prime is 42107573. The reversal of 42107563 is 36570124.

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 42107563 - 2⁵ = 42107531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42107543) 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, 47520 + ... + 48397.

It is an arithmetic number, because the mean of its divisors is an integer number (10550980).

Almost surely, 2^42107563 is an apocalyptic number.

42107563 is a deficient number, since it is larger than the sum of its proper divisors (96357).

42107563 is an equidigital number, since it uses as much as digits as its factorization.

42107563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96356.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42107563 is about 6489.0340575466. The cubic root of 42107563 is about 347.8991510961.

Adding to 42107563 its reverse (36570124), we get a palindrome (78677687).

The spelling of 42107563 in words is "forty-two million, one hundred seven thousand, five hundred sixty-three".