43377941 has 2 divisors, whose sum is σ = 43377942. Its totient is φ = 43377940.

The previous prime is 43377913. The next prime is 43377973. The reversal of 43377941 is 14977334.

It is a happy number.

43377941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30747025 + 12630916 = 5545^2 + 3554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43377941 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43377895 and 43377904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43377041) 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, 21688970 + 21688971.

It is an arithmetic number, because the mean of its divisors is an integer number (21688971).

Almost surely, 2^43377941 is an apocalyptic number.

It is an amenable number.

43377941 is a deficient number, since it is larger than the sum of its proper divisors (1).

43377941 is an equidigital number, since it uses as much as digits as its factorization.

43377941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 43377941 is about 6586.1932100417. The cubic root of 43377941 is about 351.3632303395.

The spelling of 43377941 in words is "forty-three million, three hundred seventy-seven thousand, nine hundred forty-one".