2654 has 4 divisors (see below), whose sum is σ = 3984.
Its totient is φ = 1326.
The previous prime is 2647. The next prime is 2657. The reversal of 2654 is 4562.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4562 = 2 ⋅2281.
It is a Curzon number.
It is a plaindrome in base 9 and base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662 + ... + 665.
It is an arithmetic number, because the mean of its divisors is an integer number (996).
2654 is a deficient number, since it is larger than the sum of its proper divisors (1330).
2654 is a wasteful number, since it uses less digits than its factorization.
2654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329.
The product of its digits is 240, while the sum is 17.
The square root of 2654 is about 51.5169874896.
The cubic root of 2654 is about 13.8452341903.
It can be divided in two parts, 2 and 654, that added together give a palindrome (656).
The spelling of 2654 in words is "two thousand, six hundred fifty-four".