421041163 has 4 divisors (see below), whose sum is σ = 434623168. Its totient is φ = 407459160.

The previous prime is 421041161. The next prime is 421041217. The reversal of 421041163 is 361140124.

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 421041163 - 2¹ = 421041161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421041161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6790956 + ... + 6791017.

It is an arithmetic number, because the mean of its divisors is an integer number (108655792).

Almost surely, 2^421041163 is an apocalyptic number.

421041163 is a deficient number, since it is larger than the sum of its proper divisors (13582005).

421041163 is a wasteful number, since it uses less digits than its factorization.

421041163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582004.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 421041163 is about 20519.2875850990. The cubic root of 421041163 is about 749.5055484656.

Adding to 421041163 its reverse (361140124), we get a palindrome (782181287).

The spelling of 421041163 in words is "four hundred twenty-one million, forty-one thousand, one hundred sixty-three".