42875233 has 4 divisors (see below), whose sum is σ = 43787520. Its totient is φ = 41962948.

The previous prime is 42875219. The next prime is 42875249. The reversal of 42875233 is 33257824.

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 42875233 - 2¹⁷ = 42744161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42875293) 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, 456073 + ... + 456166.

It is an arithmetic number, because the mean of its divisors is an integer number (10946880).

Almost surely, 2^42875233 is an apocalyptic number.

It is an amenable number.

42875233 is a deficient number, since it is larger than the sum of its proper divisors (912287).

42875233 is an equidigital number, since it uses as much as digits as its factorization.

42875233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912286.

The product of its digits is 40320, while the sum is 34.

The square root of 42875233 is about 6547.9182187929. The cubic root of 42875233 is about 350.0006340125. Note that the first 3 decimals are identical.

The spelling of 42875233 in words is "forty-two million, eight hundred seventy-five thousand, two hundred thirty-three".