6549897 has 8 divisors (see below), whose sum is σ = 9015040. Its totient is φ = 4225680.

The previous prime is 6549877. The next prime is 6549901. The reversal of 6549897 is 7989456.

6549897 is digitally balanced in base 4, 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 6549897 - 2⁷ = 6549769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6549817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35122 + ... + 35307.

It is an arithmetic number, because the mean of its divisors is an integer number (1126880).

Almost surely, 2^6549897 is an apocalyptic number.

It is an amenable number.

6549897 is a deficient number, since it is larger than the sum of its proper divisors (2465143).

6549897 is a wasteful number, since it uses less digits than its factorization.

6549897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70463.

The product of its digits is 544320, while the sum is 48.

The square root of 6549897 is about 2559.2766556197. The cubic root of 6549897 is about 187.1018823887.

The spelling of 6549897 in words is "six million, five hundred forty-nine thousand, eight hundred ninety-seven".