42548533 has 4 divisors (see below), whose sum is σ = 42564940. Its totient is φ = 42532128.

The previous prime is 42548509. The next prime is 42548549. The reversal of 42548533 is 33584524.

42548533 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 20052484 + 22496049 = 4478^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 42548533 - 2²⁵ = 8994101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42548563) 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, 3360 + ... + 9817.

It is an arithmetic number, because the mean of its divisors is an integer number (10641235).

Almost surely, 2^42548533 is an apocalyptic number.

It is an amenable number.

42548533 is a deficient number, since it is larger than the sum of its proper divisors (16407).

42548533 is a wasteful number, since it uses less digits than its factorization.

42548533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406.

The product of its digits is 57600, while the sum is 34.

The square root of 42548533 is about 6522.9236543133. The cubic root of 42548533 is about 349.1093900983.

The spelling of 42548533 in words is "forty-two million, five hundred forty-eight thousand, five hundred thirty-three".