42054973 has 2 divisors, whose sum is σ = 42054974. Its totient is φ = 42054972.

The previous prime is 42054931. The next prime is 42055019. The reversal of 42054973 is 37945024.

42054973 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 can be written as a sum of positive squares in only one way, i.e., 40411449 + 1643524 = 6357^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 42054973 - 2⁹ = 42054461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42054913) 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, 21027486 + 21027487.

It is an arithmetic number, because the mean of its divisors is an integer number (21027487).

Almost surely, 2^42054973 is an apocalyptic number.

It is an amenable number.

42054973 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054973 is an equidigital number, since it uses as much as digits as its factorization.

42054973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 42054973 is about 6484.9805705183. The cubic root of 42054973 is about 347.7542552053.

Adding to 42054973 its reverse (37945024), we get a palindrome (79999997).

The spelling of 42054973 in words is "forty-two million, fifty-four thousand, nine hundred seventy-three".