43020041 has 8 divisors (see below), whose sum is σ = 43738824. Its totient is φ = 42307200.

The previous prime is 43020031. The next prime is 43020049. The reversal of 43020041 is 14002034.

It can be written as a sum of positive squares in 4 ways, for example, as 26988025 + 16032016 = 5195^2 + 4004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43020041 - 2¹⁰ = 43019017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43019998 and 43020025.

It is not an unprimeable number, because it can be changed into a prime (43020049) 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 in 7 ways as a sum of consecutive naturals, for example, 14501 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (5467353).

Almost surely, 2^43020041 is an apocalyptic number.

It is an amenable number.

43020041 is a deficient number, since it is larger than the sum of its proper divisors (718783).

43020041 is a wasteful number, since it uses less digits than its factorization.

43020041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 43020041 is about 6558.9664582158. The cubic root of 43020041 is about 350.3942251825.

Adding to 43020041 its reverse (14002034), we get a palindrome (57022075).

The spelling of 43020041 in words is "forty-three million, twenty thousand, forty-one".