42481133 has 2 divisors, whose sum is σ = 42481134. Its totient is φ = 42481132.

The previous prime is 42481099. The next prime is 42481141. The reversal of 42481133 is 33118424.

42481133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 10252804 = 5677^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 42481133 - 2¹⁴ = 42464749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42481163) 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, 21240566 + 21240567.

It is an arithmetic number, because the mean of its divisors is an integer number (21240567).

Almost surely, 2^42481133 is an apocalyptic number.

It is an amenable number.

42481133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42481133 is an equidigital number, since it uses as much as digits as its factorization.

42481133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 42481133 is about 6517.7552117274. The cubic root of 42481133 is about 348.9249543761.

Adding to 42481133 its reverse (33118424), we get a palindrome (75599557).

The spelling of 42481133 in words is "forty-two million, four hundred eighty-one thousand, one hundred thirty-three".