2544001 has 4 divisors (see below), whose sum is σ = 2579904. Its totient is φ = 2508100.

The previous prime is 2543971. The next prime is 2544011. The reversal of 2544001 is 1004452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2544001 - 2⁷ = 2543873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544011) 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, 17845 + ... + 17986.

It is an arithmetic number, because the mean of its divisors is an integer number (644976).

2^2544001 is an apocalyptic number.

It is an amenable number.

2544001 is a deficient number, since it is larger than the sum of its proper divisors (35903).

2544001 is an equidigital number, since it uses as much as digits as its factorization.

2544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35902.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2544001 is about 1594.9924764713. The cubic root of 2544001 is about 136.5125018180.

Adding to 2544001 its reverse (1004452), we get a palindrome (3548453).

The spelling of 2544001 in words is "two million, five hundred forty-four thousand, one".