6544985 has 8 divisors (see below), whose sum is σ = 8021376. Its totient is φ = 5124400.

The previous prime is 6544943. The next prime is 6545003. The reversal of 6544985 is 5894456.

It is a happy number.

6544985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6544985 - 2¹⁴ = 6528601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13691 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (1002672).

Almost surely, 2^6544985 is an apocalyptic number.

It is an amenable number.

6544985 is a deficient number, since it is larger than the sum of its proper divisors (1476391).

6544985 is a wasteful number, since it uses less digits than its factorization.

6544985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27903.

The product of its digits is 172800, while the sum is 41.

The square root of 6544985 is about 2558.3168294799. The cubic root of 6544985 is about 187.0550992467.

The spelling of 6544985 in words is "six million, five hundred forty-four thousand, nine hundred eighty-five".