42183433 has 2 divisors, whose sum is σ = 42183434. Its totient is φ = 42183432.

The previous prime is 42183397. The next prime is 42183451. The reversal of 42183433 is 33438124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30603024 + 11580409 = 5532^2 + 3403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42183433 is a prime.

It is not a weakly prime, because it can be changed into another prime (42183733) 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, 21091716 + 21091717.

It is an arithmetic number, because the mean of its divisors is an integer number (21091717).

Almost surely, 2^42183433 is an apocalyptic number.

It is an amenable number.

42183433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42183433 is an equidigital number, since it uses as much as digits as its factorization.

42183433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 42183433 is about 6494.8774430315. The cubic root of 42183433 is about 348.1079755886.

The spelling of 42183433 in words is "forty-two million, one hundred eighty-three thousand, four hundred thirty-three".