43414081 has 2 divisors, whose sum is σ = 43414082. Its totient is φ = 43414080.

The previous prime is 43414079. The next prime is 43414093. The reversal of 43414081 is 18041434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43349056 + 65025 = 6584^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 43414081 - 2¹ = 43414079 is a prime.

It is a super-2 number, since 2×43414081² = 3769564858149122, which contains 22 as substring.

Together with 43414079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43414001) 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, 21707040 + 21707041.

It is an arithmetic number, because the mean of its divisors is an integer number (21707041).

Almost surely, 2^43414081 is an apocalyptic number.

It is an amenable number.

43414081 is a deficient number, since it is larger than the sum of its proper divisors (1).

43414081 is an equidigital number, since it uses as much as digits as its factorization.

43414081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 43414081 is about 6588.9362570904. The cubic root of 43414081 is about 351.4607817831.

The spelling of 43414081 in words is "forty-three million, four hundred fourteen thousand, eighty-one".