2544973 has 4 divisors (see below), whose sum is σ = 2655648. Its totient is φ = 2434300.

The previous prime is 2544967. The next prime is 2544977. The reversal of 2544973 is 3794452.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544973 is a prime.

It is a Duffinian number.

2544973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544977) 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, 55303 + ... + 55348.

It is an arithmetic number, because the mean of its divisors is an integer number (663912).

2^2544973 is an apocalyptic number.

2544973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2544973 is a deficient number, since it is larger than the sum of its proper divisors (110675).

2544973 is a wasteful number, since it uses less digits than its factorization.

2544973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110674.

The product of its digits is 30240, while the sum is 34.

The square root of 2544973 is about 1595.2971510035. The cubic root of 2544973 is about 136.5298856236.

The spelling of 2544973 in words is "two million, five hundred forty-four thousand, nine hundred seventy-three".