2044541 has 2 divisors, whose sum is σ = 2044542. Its totient is φ = 2044540.

The previous prime is 2044519. The next prime is 2044561. The reversal of 2044541 is 1454402.

It is an a-pointer prime, because the next prime (2044561) can be obtained adding 2044541 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042041 + 2500 = 1429^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022270 + 1022271.

It is an arithmetic number, because the mean of its divisors is an integer number (1022271).

2^2044541 is an apocalyptic number.

It is an amenable number.

2044541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044541 is an equidigital number, since it uses as much as digits as its factorization.

2044541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2044541 is about 1429.8744700148. The cubic root of 2044541 is about 126.9205488136.

Adding to 2044541 its reverse (1454402), we get a palindrome (3498943).

The spelling of 2044541 in words is "two million, forty-four thousand, five hundred forty-one".