42433 has 2 divisors, whose sum is σ = 42434.
Its totient is φ = 42432.
The previous prime is 42409. The next prime is 42437. The reversal of 42433 is 33424.
Adding to 42433 its reverse (33424), we get a palindrome (75857).
Subtracting from 42433 its reverse (33424), we obtain a palindrome (9009).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 37249 + 5184 = 193^2 + 72^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42433 is a prime.
It is a plaindrome in base 7 and base 14.
It is not a weakly prime, because it can be changed into another prime (42437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216 + 21217.
It is an arithmetic number, because the mean of its divisors is an integer number (21217).
242433 is an apocalyptic number.
It is an amenable number.
42433 is a deficient number, since it is larger than the sum of its proper divisors (1).
42433 is an equidigital number, since it uses as much as digits as its factorization.
42433 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 288, while the sum is 16.
The square root of 42433 is about 205.9927183179.
The cubic root of 42433 is about 34.8793122111.
The spelling of 42433 in words is "forty-two thousand, four hundred thirty-three".