4242544 has 20 divisors (see below), whose sum is σ = 8376696. Its totient is φ = 2080832.

The previous prime is 4242523. The next prime is 4242547. The reversal of 4242544 is 4452424.

It is a happy number.

4242544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654 + ... + 3349.

Almost surely, 2^4242544 is an apocalyptic number.

It is an amenable number.

4242544 is a deficient number, since it is larger than the sum of its proper divisors (4134152).

4242544 is a wasteful number, since it uses less digits than its factorization.

4242544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5058 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 4242544 is about 2059.7436733730. The cubic root of 4242544 is about 161.8858109087.

Adding to 4242544 its reverse (4452424), we get a palindrome (8694968).

The spelling of 4242544 in words is "four million, two hundred forty-two thousand, five hundred forty-four".