4043541 has 8 divisors (see below), whose sum is σ = 5425120. Its totient is φ = 2678832.

The previous prime is 4043539. The next prime is 4043549. The reversal of 4043541 is 1453404.

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

It is not a de Polignac number, because 4043541 - 2¹ = 4043539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043549) 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 in 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (678140).

Almost surely, 2^4043541 is an apocalyptic number.

It is an amenable number.

4043541 is a deficient number, since it is larger than the sum of its proper divisors (1381579).

4043541 is a wasteful number, since it uses less digits than its factorization.

4043541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4043541 is about 2010.8557879669. The cubic root of 4043541 is about 159.3140031093.

Adding to 4043541 its reverse (1453404), we get a palindrome (5496945).

The spelling of 4043541 in words is "four million, forty-three thousand, five hundred forty-one".