43160081 has 2 divisors, whose sum is σ = 43160082. Its totient is φ = 43160080.

The previous prime is 43160071. The next prime is 43160099. The reversal of 43160081 is 18006134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25654225 + 17505856 = 5065^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 43160081 - 2⁶ = 43160017 is a prime.

It is a super-2 number, since 2×43160081² = 3725585183853122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43160071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580040 + 21580041.

It is an arithmetic number, because the mean of its divisors is an integer number (21580041).

Almost surely, 2^43160081 is an apocalyptic number.

It is an amenable number.

43160081 is a deficient number, since it is larger than the sum of its proper divisors (1).

43160081 is an equidigital number, since it uses as much as digits as its factorization.

43160081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 43160081 is about 6569.6332469933. The cubic root of 43160081 is about 350.7740176268.

The spelling of 43160081 in words is "forty-three million, one hundred sixty thousand, eighty-one".