43130447 has 2 divisors, whose sum is σ = 43130448. Its totient is φ = 43130446.

The previous prime is 43130431. The next prime is 43130459. The reversal of 43130447 is 74403134.

43130447 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 43130447 - 2⁴ = 43130431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43135447) 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, 21565223 + 21565224.

It is an arithmetic number, because the mean of its divisors is an integer number (21565224).

Almost surely, 2^43130447 is an apocalyptic number.

43130447 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130447 is an equidigital number, since it uses as much as digits as its factorization.

43130447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43130447 is about 6567.3774826791. The cubic root of 43130447 is about 350.6937179844.

The spelling of 43130447 in words is "forty-three million, one hundred thirty thousand, four hundred forty-seven".