42403333 has 4 divisors (see below), whose sum is σ = 48460960. Its totient is φ = 36345708.

The previous prime is 42403331. The next prime is 42403343. The reversal of 42403333 is 33330424.

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 not a de Polignac number, because 42403333 - 2¹ = 42403331 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 (42403331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028803 + ... + 3028816.

It is an arithmetic number, because the mean of its divisors is an integer number (12115240).

Almost surely, 2^42403333 is an apocalyptic number.

It is an amenable number.

42403333 is a deficient number, since it is larger than the sum of its proper divisors (6057627).

42403333 is an equidigital number, since it uses as much as digits as its factorization.

42403333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057626.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 42403333 is about 6511.7841641135. The cubic root of 42403333 is about 348.7118170107.

Adding to 42403333 its reverse (33330424), we get a palindrome (75733757).

The spelling of 42403333 in words is "forty-two million, four hundred three thousand, three hundred thirty-three".