2554666 has 8 divisors (see below), whose sum is σ = 3839040. Its totient is φ = 1274988.

The previous prime is 2554663. The next prime is 2554711. The reversal of 2554666 is 6664552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁷ + 5⁹ + 4⁸ + 6³ + 6⁶ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (2554663) 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 3 ways as a sum of consecutive naturals, for example, 975 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (479880).

2^2554666 is an apocalyptic number.

2554666 is a deficient number, since it is larger than the sum of its proper divisors (1284374).

2554666 is a wasteful number, since it uses less digits than its factorization.

2554666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its digits is 43200, while the sum is 34.

The square root of 2554666 is about 1598.3322558217. The cubic root of 2554666 is about 136.7029991313.

The spelling of 2554666 in words is "two million, five hundred fifty-four thousand, six hundred sixty-six".