6456549 has 24 divisors (see below), whose sum is σ = 9991008. Its totient is φ = 3677440.

The previous prime is 6456539. The next prime is 6456551. The reversal of 6456549 is 9456546.

It is not a de Polignac number, because 6456549 - 2⁷ = 6456421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9199 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (416292).

Almost surely, 2^6456549 is an apocalyptic number.

It is an amenable number.

6456549 is a deficient number, since it is larger than the sum of its proper divisors (3534459).

6456549 is a wasteful number, since it uses less digits than its factorization.

6456549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 708 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 6456549 is about 2540.9740258413. The cubic root of 6456549 is about 186.2087781691.

The spelling of 6456549 in words is "six million, four hundred fifty-six thousand, five hundred forty-nine".