43332481 has 2 divisors, whose sum is σ = 43332482. Its totient is φ = 43332480.

The previous prime is 43332479. The next prime is 43332511. The reversal of 43332481 is 18423334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 874225 = 6516^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 43332481 - 2¹ = 43332479 is a prime.

It is a super-2 number, since 2×43332481² = 3755407819230722, which contains 22 as substring.

Together with 43332479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43332181) 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, 21666240 + 21666241.

It is an arithmetic number, because the mean of its divisors is an integer number (21666241).

Almost surely, 2^43332481 is an apocalyptic number.

It is an amenable number.

43332481 is a deficient number, since it is larger than the sum of its proper divisors (1).

43332481 is an equidigital number, since it uses as much as digits as its factorization.

43332481 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 43332481 is about 6582.7411463614. The cubic root of 43332481 is about 351.2404447699.

The spelling of 43332481 in words is "forty-three million, three hundred thirty-two thousand, four hundred eighty-one".