43830133 has 2 divisors, whose sum is σ = 43830134. Its totient is φ = 43830132.

The previous prime is 43830091. The next prime is 43830139. The reversal of 43830133 is 33103834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 5414929 = 6198^2 + 2327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43830133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43830098 and 43830107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43830139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21915066 + 21915067.

It is an arithmetic number, because the mean of its divisors is an integer number (21915067).

Almost surely, 2^43830133 is an apocalyptic number.

It is an amenable number.

43830133 is a deficient number, since it is larger than the sum of its proper divisors (1).

43830133 is an equidigital number, since it uses as much as digits as its factorization.

43830133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 43830133 is about 6620.4329918820. The cubic root of 43830133 is about 352.5799372724.

Adding to 43830133 its reverse (33103834), we get a palindrome (76933967).

The spelling of 43830133 in words is "forty-three million, eight hundred thirty thousand, one hundred thirty-three".