42305233 has 2 divisors, whose sum is σ = 42305234. Its totient is φ = 42305232.

The previous prime is 42305227. The next prime is 42305239. The reversal of 42305233 is 33250324.

It is a balanced prime because it is at equal distance from previous prime (42305227) and next prime (42305239).

It can be written as a sum of positive squares in only one way, i.e., 41319184 + 986049 = 6428^2 + 993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42305233 is a prime.

It is not a weakly prime, because it can be changed into another prime (42305239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21152616 + 21152617.

It is an arithmetic number, because the mean of its divisors is an integer number (21152617).

Almost surely, 2^42305233 is an apocalyptic number.

It is an amenable number.

42305233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42305233 is an equidigital number, since it uses as much as digits as its factorization.

42305233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 42305233 is about 6504.2473046464. The cubic root of 42305233 is about 348.4426947405.

Adding to 42305233 its reverse (33250324), we get a palindrome (75555557).

The spelling of 42305233 in words is "forty-two million, three hundred five thousand, two hundred thirty-three".