42133303 has 4 divisors (see below), whose sum is σ = 42151720. Its totient is φ = 42114888.

The previous prime is 42133297. The next prime is 42133313. The reversal of 42133303 is 30333124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42133303 - 2⁵ = 42133271 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 (42133313) 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, 5193 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (10537930).

Almost surely, 2^42133303 is an apocalyptic number.

42133303 is a deficient number, since it is larger than the sum of its proper divisors (18417).

42133303 is a wasteful number, since it uses less digits than its factorization.

42133303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 42133303 is about 6491.0171005783. The cubic root of 42133303 is about 347.9700259338.

Adding to 42133303 its reverse (30333124), we get a palindrome (72466427).

It can be divided in two parts, 42133 and 303, that added together give a square (42436 = 206²).

The spelling of 42133303 in words is "forty-two million, one hundred thirty-three thousand, three hundred three".