2544013 has 4 divisors (see below), whose sum is σ = 2551900. Its totient is φ = 2536128.

The previous prime is 2544011. The next prime is 2544029. The reversal of 2544013 is 3104452.

2544013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1435204 + 1108809 = 1198^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544013 - 2¹ = 2544011 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 (2544011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (637975).

2^2544013 is an apocalyptic number.

It is an amenable number.

2544013 is a deficient number, since it is larger than the sum of its proper divisors (7887).

2544013 is an equidigital number, since it uses as much as digits as its factorization.

2544013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2544013 is about 1594.9962382401. The cubic root of 2544013 is about 136.5127164599.

Adding to 2544013 its reverse (3104452), we get a palindrome (5648465).

The spelling of 2544013 in words is "two million, five hundred forty-four thousand, thirteen".