6549087 has 4 divisors (see below), whose sum is σ = 8732120. Its totient is φ = 4366056.

The previous prime is 6549079. The next prime is 6549119. The reversal of 6549087 is 7809456.

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

It is not a de Polignac number, because 6549087 - 2³ = 6549079 is a prime.

It is a D-number.

It is a Duffinian number.

6549087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6549017) 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, 1091512 + ... + 1091517.

It is an arithmetic number, because the mean of its divisors is an integer number (2183030).

Almost surely, 2^6549087 is an apocalyptic number.

6549087 is a deficient number, since it is larger than the sum of its proper divisors (2183033).

6549087 is a wasteful number, since it uses less digits than its factorization.

6549087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183032.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6549087 is about 2559.1184028880. The cubic root of 6549087 is about 187.0941693528.

The spelling of 6549087 in words is "six million, five hundred forty-nine thousand, eighty-seven".