43255841 has 2 divisors, whose sum is σ = 43255842. Its totient is φ = 43255840.

The previous prime is 43255829. The next prime is 43255859. The reversal of 43255841 is 14855234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34869025 + 8386816 = 5905^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 43255841 - 2¹⁴ = 43239457 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 = 43255798 and 43255807.

It is not a weakly prime, because it can be changed into another prime (43255811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21627920 + 21627921.

It is an arithmetic number, because the mean of its divisors is an integer number (21627921).

Almost surely, 2^43255841 is an apocalyptic number.

It is an amenable number.

43255841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43255841 is an equidigital number, since it uses as much as digits as its factorization.

43255841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 43255841 is about 6576.9172869970. The cubic root of 43255841 is about 351.0332487450.

The spelling of 43255841 in words is "forty-three million, two hundred fifty-five thousand, eight hundred forty-one".