42671011 has 2 divisors, whose sum is σ = 42671012. Its totient is φ = 42671010.

The previous prime is 42671009. The next prime is 42671021. The reversal of 42671011 is 11017624.

42671011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42671011 - 2¹ = 42671009 is a prime.

Together with 42671009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42671021) 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 as a sum of consecutive naturals, namely, 21335505 + 21335506.

It is an arithmetic number, because the mean of its divisors is an integer number (21335506).

Almost surely, 2^42671011 is an apocalyptic number.

42671011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42671011 is an equidigital number, since it uses as much as digits as its factorization.

42671011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 42671011 is about 6532.3051827054. The cubic root of 42671011 is about 349.4440452568. Note that the first 3 decimals are identical.

Adding to 42671011 its reverse (11017624), we get a palindrome (53688635).

The spelling of 42671011 in words is "forty-two million, six hundred seventy-one thousand, eleven".