4081043 has 4 divisors (see below), whose sum is σ = 4112328. Its totient is φ = 4049760.

The previous prime is 4081039. The next prime is 4081073. The reversal of 4081043 is 3401804.

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

It is a cyclic number.

It is not a de Polignac number, because 4081043 - 2² = 4081039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4081013) 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, 15446 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (1028082).

Almost surely, 2^4081043 is an apocalyptic number.

4081043 is a deficient number, since it is larger than the sum of its proper divisors (31285).

4081043 is a wasteful number, since it uses less digits than its factorization.

4081043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31284.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4081043 is about 2020.1591521462. The cubic root of 4081043 is about 159.8050098602.

Adding to 4081043 its reverse (3401804), we get a palindrome (7482847).

The spelling of 4081043 in words is "four million, eighty-one thousand, forty-three".