6480545 has 4 divisors (see below), whose sum is σ = 7776660. Its totient is φ = 5184432.

The previous prime is 6480541. The next prime is 6480547. The reversal of 6480545 is 5450846.

6480545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3869089 + 2611456 = 1967^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 6480545 - 2² = 6480541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6480541) 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, 648050 + ... + 648059.

It is an arithmetic number, because the mean of its divisors is an integer number (1944165).

Almost surely, 2^6480545 is an apocalyptic number.

It is an amenable number.

6480545 is a deficient number, since it is larger than the sum of its proper divisors (1296115).

6480545 is a wasteful number, since it uses less digits than its factorization.

6480545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296114.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 6480545 is about 2545.6914581308. The cubic root of 6480545 is about 186.4391768827.

The spelling of 6480545 in words is "six million, four hundred eighty thousand, five hundred forty-five".