2544242 has 8 divisors (see below), whose sum is σ = 3829356. Its totient is φ = 1267792.

The previous prime is 2544239. The next prime is 2544247. The reversal of 2544242 is 2424452.

2544242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 19321 = 1589^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2544247) 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, 1373 + ... + 2640.

2^2544242 is an apocalyptic number.

2544242 is a deficient number, since it is larger than the sum of its proper divisors (1285114).

2544242 is a wasteful number, since it uses less digits than its factorization.

2544242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 2560, while the sum is 23.

The square root of 2544242 is about 1595.0680236278. The cubic root of 2544242 is about 136.5168124130.

Adding to 2544242 its reverse (2424452), we get a palindrome (4968694).

The spelling of 2544242 in words is "two million, five hundred forty-four thousand, two hundred forty-two".