42416233 has 2 divisors, whose sum is σ = 42416234. Its totient is φ = 42416232.

The previous prime is 42416201. The next prime is 42416251. The reversal of 42416233 is 33261424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 8450649 = 5828^2 + 2907^2 .

It is a cyclic number.

It is not a de Polignac number, because 42416233 - 2⁵ = 42416201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42416198 and 42416207.

It is not a weakly prime, because it can be changed into another prime (42410233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208116 + 21208117.

It is an arithmetic number, because the mean of its divisors is an integer number (21208117).

Almost surely, 2^42416233 is an apocalyptic number.

It is an amenable number.

42416233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42416233 is an equidigital number, since it uses as much as digits as its factorization.

42416233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 42416233 is about 6512.7746007366. The cubic root of 42416233 is about 348.7471752875.

Adding to 42416233 its reverse (33261424), we get a palindrome (75677657).

The spelling of 42416233 in words is "forty-two million, four hundred sixteen thousand, two hundred thirty-three".