43012085 has 4 divisors (see below), whose sum is σ = 51614508. Its totient is φ = 34409664.

The previous prime is 43012061. The next prime is 43012087. The reversal of 43012085 is 58021034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4844401 + 38167684 = 2201^2 + 6178^2 .

It is a cyclic number.

It is not a de Polignac number, because 43012085 - 2¹⁶ = 42946549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43012085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301204 + ... + 4301213.

It is an arithmetic number, because the mean of its divisors is an integer number (12903627).

Almost surely, 2^43012085 is an apocalyptic number.

It is an amenable number.

43012085 is a deficient number, since it is larger than the sum of its proper divisors (8602423).

43012085 is an equidigital number, since it uses as much as digits as its factorization.

43012085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602422.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 43012085 is about 6558.3599321782. The cubic root of 43012085 is about 350.3726235579.

The spelling of 43012085 in words is "forty-three million, twelve thousand, eighty-five".