42544033 has 4 divisors (see below), whose sum is σ = 48621760. Its totient is φ = 36466308.

The previous prime is 42544031. The next prime is 42544063. The reversal of 42544033 is 33044524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42544033 - 2¹ = 42544031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42543989 and 42544007.

It is not an unprimeable number, because it can be changed into a prime (42544031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038853 + ... + 3038866.

It is an arithmetic number, because the mean of its divisors is an integer number (12155440).

Almost surely, 2^42544033 is an apocalyptic number.

It is an amenable number.

42544033 is a deficient number, since it is larger than the sum of its proper divisors (6077727).

42544033 is an equidigital number, since it uses as much as digits as its factorization.

42544033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077726.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 42544033 is about 6522.5787078425. The cubic root of 42544033 is about 349.0970822110.

Adding to 42544033 its reverse (33044524), we get a palindrome (75588557).

The spelling of 42544033 in words is "forty-two million, five hundred forty-four thousand, thirty-three".