43106641 has 2 divisors, whose sum is σ = 43106642. Its totient is φ = 43106640.

The previous prime is 43106629. The next prime is 43106659. The reversal of 43106641 is 14660134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34574400 + 8532241 = 5880^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 43106641 - 2⁷ = 43106513 is a prime.

It is not a weakly prime, because it can be changed into another prime (43106671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21553320 + 21553321.

It is an arithmetic number, because the mean of its divisors is an integer number (21553321).

Almost surely, 2^43106641 is an apocalyptic number.

It is an amenable number.

43106641 is a deficient number, since it is larger than the sum of its proper divisors (1).

43106641 is an equidigital number, since it uses as much as digits as its factorization.

43106641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 43106641 is about 6565.5647891099. The cubic root of 43106641 is about 350.6291839045.

Adding to 43106641 its reverse (14660134), we get a palindrome (57766775).

The spelling of 43106641 in words is "forty-three million, one hundred six thousand, six hundred forty-one".