2002544 has 20 divisors (see below), whose sum is σ = 3903024. Its totient is φ = 995328.

The previous prime is 2002531. The next prime is 2002547. The reversal of 2002544 is 4452002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002547) 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, 3869 + ... + 4355.

2^2002544 is an apocalyptic number.

It is an amenable number.

2002544 is a deficient number, since it is larger than the sum of its proper divisors (1900480).

2002544 is a wasteful number, since it uses less digits than its factorization.

2002544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2002544 is about 1415.1127163587. The cubic root of 2002544 is about 126.0455030076.

Adding to 2002544 its reverse (4452002), we get a palindrome (6454546).

It can be divided in two parts, 200 and 2544, that added together give a cube (2744 = 14³).

The spelling of 2002544 in words is "two million, two thousand, five hundred forty-four".