2544002 has 4 divisors (see below), whose sum is σ = 3816006. Its totient is φ = 1272000.

The previous prime is 2543971. The next prime is 2544011. The reversal of 2544002 is 2004452.

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

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 724201 = 1349^2 + 851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635999 + ... + 636002.

2^2544002 is an apocalyptic number.

2544002 is a deficient number, since it is larger than the sum of its proper divisors (1272004).

2544002 is a wasteful number, since it uses less digits than its factorization.

2544002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272003.

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

The square root of 2544002 is about 1594.9927899524. The cubic root of 2544002 is about 136.5125197048.

Adding to 2544002 its reverse (2004452), we get a palindrome (4548454).

The spelling of 2544002 in words is "two million, five hundred forty-four thousand, two".