2554889 has 4 divisors (see below), whose sum is σ = 2558160. Its totient is φ = 2551620.

The previous prime is 2554843. The next prime is 2554891. The reversal of 2554889 is 9884552.

2554889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554889 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁴ + 5⁹ + 4⁸ + 8² + 8⁴ + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554819) 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, 302 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (639540).

2^2554889 is an apocalyptic number.

It is an amenable number.

2554889 is a deficient number, since it is larger than the sum of its proper divisors (3271).

2554889 is a wasteful number, since it uses less digits than its factorization.

2554889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270.

The product of its digits is 115200, while the sum is 41.

The square root of 2554889 is about 1598.4020145132. The cubic root of 2554889 is about 136.7069766744.

Adding to 2554889 its sum of digits (41), we get a triangular number (2554930 = T₂₂₆₀).

It can be divided in two parts, 2554 and 889, that added together give a palindrome (3443).

The spelling of 2554889 in words is "two million, five hundred fifty-four thousand, eight hundred eighty-nine".