42851163 has 4 divisors (see below), whose sum is σ = 57134888. Its totient is φ = 28567440.

The previous prime is 42851161. The next prime is 42851173. The reversal of 42851163 is 36115824.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42851163 - 2¹ = 42851161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42851163.

It is not an unprimeable number, because it can be changed into a prime (42851161) 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, 7141858 + ... + 7141863.

It is an arithmetic number, because the mean of its divisors is an integer number (14283722).

Almost surely, 2^42851163 is an apocalyptic number.

42851163 is a deficient number, since it is larger than the sum of its proper divisors (14283725).

42851163 is a wasteful number, since it uses less digits than its factorization.

42851163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14283724.

The product of its digits is 5760, while the sum is 30.

The square root of 42851163 is about 6546.0799720138. The cubic root of 42851163 is about 349.9351253908.

Adding to 42851163 its reverse (36115824), we get a palindrome (78966987).

The spelling of 42851163 in words is "forty-two million, eight hundred fifty-one thousand, one hundred sixty-three".