42530333 has 4 divisors (see below), whose sum is σ = 42548928. Its totient is φ = 42511740.

The previous prime is 42530321. The next prime is 42530351. The reversal of 42530333 is 33303524.

42530333 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 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 42530333 - 2⁸ = 42530077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42530299 and 42530308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530533) 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, 5291 + ... + 10632.

It is an arithmetic number, because the mean of its divisors is an integer number (10637232).

Almost surely, 2^42530333 is an apocalyptic number.

It is an amenable number.

42530333 is a deficient number, since it is larger than the sum of its proper divisors (18595).

42530333 is a wasteful number, since it uses less digits than its factorization.

42530333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18594.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 42530333 is about 6521.5284251470. The cubic root of 42530333 is about 349.0596061880.

Adding to 42530333 its reverse (33303524), we get a palindrome (75833857).

The spelling of 42530333 in words is "forty-two million, five hundred thirty thousand, three hundred thirty-three".