42643041 has 16 divisors (see below), whose sum is σ = 65071104. Its totient is φ = 24333264.

The previous prime is 42643037. The next prime is 42643067. The reversal of 42643041 is 14034624.

It is not a de Polignac number, because 42643041 - 2² = 42643037 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42643001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29170 + ... + 30596.

It is an arithmetic number, because the mean of its divisors is an integer number (4066944).

Almost surely, 2^42643041 is an apocalyptic number.

It is an amenable number.

42643041 is a deficient number, since it is larger than the sum of its proper divisors (22428063).

42643041 is a wasteful number, since it uses less digits than its factorization.

42643041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42643041 is about 6530.1639336237. The cubic root of 42643041 is about 349.3676773587.

Adding to 42643041 its reverse (14034624), we get a palindrome (56677665).

The spelling of 42643041 in words is "forty-two million, six hundred forty-three thousand, forty-one".