6549545 has 16 divisors (see below), whose sum is σ = 8249472. Its totient is φ = 4986240.

The previous prime is 6549523. The next prime is 6549551. The reversal of 6549545 is 5459456.

It is not a de Polignac number, because 6549545 - 2²⁰ = 5500969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6549499 and 6549508.

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 15 ways as a sum of consecutive naturals, for example, 8444 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (515592).

Almost surely, 2^6549545 is an apocalyptic number.

It is an amenable number.

6549545 is a deficient number, since it is larger than the sum of its proper divisors (1699927).

6549545 is a wasteful number, since it uses less digits than its factorization.

6549545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 108000, while the sum is 38.

The square root of 6549545 is about 2559.2078852645. The cubic root of 6549545 is about 187.0985306290.

The spelling of 6549545 in words is "six million, five hundred forty-nine thousand, five hundred forty-five".