43289041 has 2 divisors, whose sum is σ = 43289042. Its totient is φ = 43289040.

The previous prime is 43289039. The next prime is 43289047. The reversal of 43289041 is 14098234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 8242641 = 5920^2 + 2871^2 .

It is a cyclic number.

It is not a de Polignac number, because 43289041 - 2¹ = 43289039 is a prime.

It is a super-3 number, since 3×43289041³ (a number of 24 digits) contains 333 as substring.

Together with 43289039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43288994 and 43289012.

It is not a weakly prime, because it can be changed into another prime (43289047) 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, 21644520 + 21644521.

It is an arithmetic number, because the mean of its divisors is an integer number (21644521).

Almost surely, 2^43289041 is an apocalyptic number.

It is an amenable number.

43289041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43289041 is an equidigital number, since it uses as much as digits as its factorization.

43289041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 43289041 is about 6579.4407817078. The cubic root of 43289041 is about 351.1230348733.

The spelling of 43289041 in words is "forty-three million, two hundred eighty-nine thousand, forty-one".