43240471 has 2 divisors, whose sum is σ = 43240472. Its totient is φ = 43240470.

The previous prime is 43240459. The next prime is 43240481. The reversal of 43240471 is 17404234.

43240471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43240471 - 2⁷ = 43240343 is a prime.

It is a super-3 number, since 3×43240471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620235 + 21620236.

It is an arithmetic number, because the mean of its divisors is an integer number (21620236).

Almost surely, 2^43240471 is an apocalyptic number.

43240471 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240471 is an equidigital number, since it uses as much as digits as its factorization.

43240471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 43240471 is about 6575.7487026193. The cubic root of 43240471 is about 350.9916665365.

The spelling of 43240471 in words is "forty-three million, two hundred forty thousand, four hundred seventy-one".