6548545 has 4 divisors (see below), whose sum is σ = 7858260. Its totient is φ = 5238832.

The previous prime is 6548539. The next prime is 6548573. The reversal of 6548545 is 5458456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2337841 + 4210704 = 1529^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 6548545 - 2⁹ = 6548033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654850 + ... + 654859.

It is an arithmetic number, because the mean of its divisors is an integer number (1964565).

Almost surely, 2^6548545 is an apocalyptic number.

It is an amenable number.

6548545 is a deficient number, since it is larger than the sum of its proper divisors (1309715).

6548545 is a wasteful number, since it uses less digits than its factorization.

6548545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309714.

The product of its digits is 96000, while the sum is 37.

The square root of 6548545 is about 2559.0125048542. The cubic root of 6548545 is about 187.0890079291.

The spelling of 6548545 in words is "six million, five hundred forty-eight thousand, five hundred forty-five".