43084961 has 2 divisors, whose sum is σ = 43084962. Its totient is φ = 43084960.

The previous prime is 43084949. The next prime is 43084963. The reversal of 43084961 is 16948034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 1081600 = 6481^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 43084961 - 2¹⁸ = 42822817 is a prime.

Together with 43084963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43084963) 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, 21542480 + 21542481.

It is an arithmetic number, because the mean of its divisors is an integer number (21542481).

Almost surely, 2^43084961 is an apocalyptic number.

It is an amenable number.

43084961 is a deficient number, since it is larger than the sum of its proper divisors (1).

43084961 is an equidigital number, since it uses as much as digits as its factorization.

43084961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 43084961 is about 6563.9135430016. The cubic root of 43084961 is about 350.5703923798.

The spelling of 43084961 in words is "forty-three million, eighty-four thousand, nine hundred sixty-one".