6545471 has 2 divisors, whose sum is σ = 6545472. Its totient is φ = 6545470.

The previous prime is 6545467. The next prime is 6545477. The reversal of 6545471 is 1745456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6545471 - 2² = 6545467 is a prime.

It is a super-3 number, since 3×6545471³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6545477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272735 + 3272736.

It is an arithmetic number, because the mean of its divisors is an integer number (3272736).

Almost surely, 2^6545471 is an apocalyptic number.

6545471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545471 is an equidigital number, since it uses as much as digits as its factorization.

6545471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 6545471 is about 2558.4118120428. The cubic root of 6545471 is about 187.0597290780.

The spelling of 6545471 in words is "six million, five hundred forty-five thousand, four hundred seventy-one".