2544541 has 4 divisors (see below), whose sum is σ = 2548800. Its totient is φ = 2540284.

The previous prime is 2544539. The next prime is 2544571. The reversal of 2544541 is 1454452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2544541 - 2¹ = 2544539 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 (2544571) 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 3 ways as a sum of consecutive naturals, for example, 1051 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (637200).

2^2544541 is an apocalyptic number.

It is an amenable number.

2544541 is a deficient number, since it is larger than the sum of its proper divisors (4259).

2544541 is an equidigital number, since it uses as much as digits as its factorization.

2544541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258.

The product of its digits is 3200, while the sum is 25.

The square root of 2544541 is about 1595.1617472846. The cubic root of 2544541 is about 136.5221600343.

Adding to 2544541 its reverse (1454452), we get a palindrome (3998993).

The spelling of 2544541 in words is "two million, five hundred forty-four thousand, five hundred forty-one".