6545285 has 4 divisors (see below), whose sum is σ = 7854348. Its totient is φ = 5236224.

The previous prime is 6545261. The next prime is 6545293. The reversal of 6545285 is 5825456.

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 1674436 + 4870849 = 1294^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 6545285 - 2¹⁰ = 6544261 is a prime.

It is a d-powerful number, because it can be written as 6 + 5⁵ + 4 + 5⁸ + 2²² + 8⁴ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654524 + ... + 654533.

It is an arithmetic number, because the mean of its divisors is an integer number (1963587).

Almost surely, 2^6545285 is an apocalyptic number.

It is an amenable number.

6545285 is a deficient number, since it is larger than the sum of its proper divisors (1309063).

6545285 is a wasteful number, since it uses less digits than its factorization.

6545285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309062.

The product of its digits is 48000, while the sum is 35.

The square root of 6545285 is about 2558.3754611081. The cubic root of 6545285 is about 187.0579571943.

The spelling of 6545285 in words is "six million, five hundred forty-five thousand, two hundred eighty-five".