42424633 has 4 divisors (see below), whose sum is σ = 42437668. Its totient is φ = 42411600.

The previous prime is 42424631. The next prime is 42424661. The reversal of 42424633 is 33642424.

42424633 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36869184 + 5555449 = 6072^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 42424633 - 2¹ = 42424631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42424631) 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, 2935 + ... + 9667.

It is an arithmetic number, because the mean of its divisors is an integer number (10609417).

Almost surely, 2^42424633 is an apocalyptic number.

It is an amenable number.

42424633 is a deficient number, since it is larger than the sum of its proper divisors (13035).

42424633 is an equidigital number, since it uses as much as digits as its factorization.

42424633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034.

The product of its digits is 13824, while the sum is 28.

The square root of 42424633 is about 6513.4194552478. The cubic root of 42424633 is about 348.7701954278.

The spelling of 42424633 in words is "forty-two million, four hundred twenty-four thousand, six hundred thirty-three".