2554443 has 16 divisors (see below), whose sum is σ = 3888160. Its totient is φ = 1656288.

The previous prime is 2554439. The next prime is 2554451. The reversal of 2554443 is 3444552.

It is not a de Polignac number, because 2554443 - 2² = 2554439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2²⁰ + 5² + 5⁸ + 4⁵ + 4⁸ + 4¹⁰ + 3⁴ .

It is a Duffinian number.

2554443 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (243010).

2^2554443 is an apocalyptic number.

2554443 is a deficient number, since it is larger than the sum of its proper divisors (1333717).

2554443 is a wasteful number, since it uses less digits than its factorization.

2554443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2597 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 2554443 is about 1598.2624940854. The cubic root of 2554443 is about 136.6990213568.

Adding to 2554443 its reverse (3444552), we get a palindrome (5998995).

The spelling of 2554443 in words is "two million, five hundred fifty-four thousand, four hundred forty-three".