2544487 has 4 divisors (see below), whose sum is σ = 2775816. Its totient is φ = 2313160.

The previous prime is 2544481. The next prime is 2544497. The reversal of 2544487 is 7844452.

It is a happy number.

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 2544487 - 2⁷ = 2544359 is a prime.

It is a Duffinian number.

2544487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544481) 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, 115648 + ... + 115669.

It is an arithmetic number, because the mean of its divisors is an integer number (693954).

2^2544487 is an apocalyptic number.

2544487 is a deficient number, since it is larger than the sum of its proper divisors (231329).

2544487 is a wasteful number, since it uses less digits than its factorization.

2544487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231328.

The product of its digits is 35840, while the sum is 34.

The square root of 2544487 is about 1595.1448210116. The cubic root of 2544487 is about 136.5211942742.

The spelling of 2544487 in words is "two million, five hundred forty-four thousand, four hundred eighty-seven".