42215163 has 8 divisors (see below), whose sum is σ = 56318976. Its totient is φ = 28127400.

The previous prime is 42215161. The next prime is 42215171. The reversal of 42215163 is 36151224.

42215163 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 not a de Polignac number, because 42215163 - 2¹ = 42215161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42215161) 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, 5058 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (7039872).

Almost surely, 2^42215163 is an apocalyptic number.

42215163 is a deficient number, since it is larger than the sum of its proper divisors (14103813).

42215163 is a wasteful number, since it uses less digits than its factorization.

42215163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025.

The product of its digits is 1440, while the sum is 24.

The square root of 42215163 is about 6497.3196781442. The cubic root of 42215163 is about 348.1952349461.

Adding to 42215163 its reverse (36151224), we get a palindrome (78366387).

The spelling of 42215163 in words is "forty-two million, two hundred fifteen thousand, one hundred sixty-three".