43116761 has 2 divisors, whose sum is σ = 43116762. Its totient is φ = 43116760.

The previous prime is 43116751. The next prime is 43116767. The reversal of 43116761 is 16761134.

43116761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 866761 = 6500^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 43116761 - 2¹⁴ = 43100377 is a prime.

It is a super-2 number, since 2×43116761² = 3718110158262242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43116767) 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, 21558380 + 21558381.

It is an arithmetic number, because the mean of its divisors is an integer number (21558381).

Almost surely, 2^43116761 is an apocalyptic number.

It is an amenable number.

43116761 is a deficient number, since it is larger than the sum of its proper divisors (1).

43116761 is an equidigital number, since it uses as much as digits as its factorization.

43116761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 43116761 is about 6566.3354315783. The cubic root of 43116761 is about 350.6566204326.

Adding to 43116761 its reverse (16761134), we get a palindrome (59877895).

The spelling of 43116761 in words is "forty-three million, one hundred sixteen thousand, seven hundred sixty-one".