43930541 has 2 divisors, whose sum is σ = 43930542. Its totient is φ = 43930540.

The previous prime is 43930531. The next prime is 43930561. The reversal of 43930541 is 14503934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 4818025 = 6254^2 + 2195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43930541 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 (43930501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21965270 + 21965271.

It is an arithmetic number, because the mean of its divisors is an integer number (21965271).

Almost surely, 2^43930541 is an apocalyptic number.

It is an amenable number.

43930541 is a deficient number, since it is larger than the sum of its proper divisors (1).

43930541 is an equidigital number, since it uses as much as digits as its factorization.

43930541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 43930541 is about 6628.0118436828. The cubic root of 43930541 is about 352.8489671604.

The spelling of 43930541 in words is "forty-three million, nine hundred thirty thousand, five hundred forty-one".