6545530 has 8 divisors (see below), whose sum is σ = 11781972. Its totient is φ = 2618208.

The previous prime is 6545509. The next prime is 6545531. The reversal of 6545530 is 355456.

It can be written as a sum of positive squares in 2 ways, for example, as 5602689 + 942841 = 2367^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6545531) 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, 327267 + ... + 327286.

Almost surely, 2^6545530 is an apocalyptic number.

6545530 is a deficient number, since it is larger than the sum of its proper divisors (5236442).

6545530 is a wasteful number, since it uses less digits than its factorization.

6545530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654560.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 6545530 is about 2558.4233426077. The cubic root of 6545530 is about 187.0602911201.

The spelling of 6545530 in words is "six million, five hundred forty-five thousand, five hundred thirty".