42563171 has 8 divisors (see below), whose sum is σ = 48954720. Its totient is φ = 36249408.

The previous prime is 42563167. The next prime is 42563197. The reversal of 42563171 is 17136524.

42563171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42563171 - 2² = 42563167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42563141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18266 + ... + 20463.

It is an arithmetic number, because the mean of its divisors is an integer number (6119340).

Almost surely, 2^42563171 is an apocalyptic number.

42563171 is a deficient number, since it is larger than the sum of its proper divisors (6391549).

42563171 is a wasteful number, since it uses less digits than its factorization.

42563171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38893.

The product of its digits is 5040, while the sum is 29.

The square root of 42563171 is about 6524.0456006990. The cubic root of 42563171 is about 349.1494202864.

Adding to 42563171 its reverse (17136524), we get a palindrome (59699695).

The spelling of 42563171 in words is "forty-two million, five hundred sixty-three thousand, one hundred seventy-one".