4044541 has 2 divisors, whose sum is σ = 4044542. Its totient is φ = 4044540.

The previous prime is 4044533. The next prime is 4044553. The reversal of 4044541 is 1454404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 64516 = 1995^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044541 - 2³ = 4044533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022270 + 2022271.

It is an arithmetic number, because the mean of its divisors is an integer number (2022271).

Almost surely, 2^4044541 is an apocalyptic number.

It is an amenable number.

4044541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044541 is an equidigital number, since it uses as much as digits as its factorization.

4044541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4044541 is about 2011.1044229477. The cubic root of 4044541 is about 159.3271352354.

Adding to 4044541 its reverse (1454404), we get a palindrome (5498945).

The spelling of 4044541 in words is "four million, forty-four thousand, five hundred forty-one".