6545648 has 20 divisors (see below), whose sum is σ = 13120440. Its totient is φ = 3159744.

The previous prime is 6545641. The next prime is 6545653. The reversal of 6545648 is 8465456.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545641) by changing a digit.

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, 6590 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (656022).

Almost surely, 2^6545648 is an apocalyptic number.

It is an amenable number.

6545648 is an abundant number, since it is smaller than the sum of its proper divisors (6574792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6545648 is a wasteful number, since it uses less digits than its factorization.

6545648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14144 (or 14138 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 6545648 is about 2558.4464035817. The cubic root of 6545648 is about 187.0614151942.

The spelling of 6545648 in words is "six million, five hundred forty-five thousand, six hundred forty-eight".