2654663 has 4 divisors (see below), whose sum is σ = 2896008. Its totient is φ = 2413320.

The previous prime is 2654653. The next prime is 2654671. The reversal of 2654663 is 3664562.

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

It is a cyclic number.

It is not a de Polignac number, because 2654663 - 2⁴ = 2654647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654653) 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, 120656 + ... + 120677.

It is an arithmetic number, because the mean of its divisors is an integer number (724002).

2^2654663 is an apocalyptic number.

2654663 is a deficient number, since it is larger than the sum of its proper divisors (241345).

2654663 is a wasteful number, since it uses less digits than its factorization.

2654663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241344.

The product of its digits is 25920, while the sum is 32.

The square root of 2654663 is about 1629.3136591829. The cubic root of 2654663 is about 138.4638699433.

The spelling of 2654663 in words is "two million, six hundred fifty-four thousand, six hundred sixty-three".