42163001 has 4 divisors (see below), whose sum is σ = 42315492. Its totient is φ = 42010512.

The previous prime is 42162997. The next prime is 42163019. The reversal of 42163001 is 10036124.

42163001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4020025 + 38142976 = 2005^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 42163001 - 2² = 42162997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42163031) 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 3 ways as a sum of consecutive naturals, for example, 75830 + ... + 76383.

It is an arithmetic number, because the mean of its divisors is an integer number (10578873).

Almost surely, 2^42163001 is an apocalyptic number.

It is an amenable number.

42163001 is a deficient number, since it is larger than the sum of its proper divisors (152491).

42163001 is a wasteful number, since it uses less digits than its factorization.

42163001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152490.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 42163001 is about 6493.3043206060. The cubic root of 42163001 is about 348.0517632298.

Adding to 42163001 its reverse (10036124), we get a palindrome (52199125).

The spelling of 42163001 in words is "forty-two million, one hundred sixty-three thousand, one".