42236833 has 2 divisors, whose sum is σ = 42236834. Its totient is φ = 42236832.

The previous prime is 42236773. The next prime is 42236837. The reversal of 42236833 is 33863224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 4635409 = 6132^2 + 2153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42236833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42236795 and 42236804.

It is not a weakly prime, because it can be changed into another prime (42236837) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21118416 + 21118417.

It is an arithmetic number, because the mean of its divisors is an integer number (21118417).

Almost surely, 2^42236833 is an apocalyptic number.

It is an amenable number.

42236833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42236833 is an equidigital number, since it uses as much as digits as its factorization.

42236833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 42236833 is about 6498.9870749218. The cubic root of 42236833 is about 348.2548035900.

The spelling of 42236833 in words is "forty-two million, two hundred thirty-six thousand, eight hundred thirty-three".