2544671 has 4 divisors (see below), whose sum is σ = 2548032. Its totient is φ = 2541312.

The previous prime is 2544643. The next prime is 2544691. The reversal of 2544671 is 1764452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2544671 - 2¹⁰ = 2543647 is a prime.

It is a Duffinian number.

Its product of digits (6720) is a multiple of the sum of its prime divisors (3360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544631) 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, 50 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (637008).

2^2544671 is an apocalyptic number.

2544671 is a deficient number, since it is larger than the sum of its proper divisors (3361).

2544671 is a wasteful number, since it uses less digits than its factorization.

2544671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360.

The product of its digits is 6720, while the sum is 29.

The square root of 2544671 is about 1595.2024949830. The cubic root of 2544671 is about 136.5244849564.

The spelling of 2544671 in words is "two million, five hundred forty-four thousand, six hundred seventy-one".