6853545 has 16 divisors (see below), whose sum is σ = 12184320. Its totient is φ = 3655152.

The previous prime is 6853543. The next prime is 6853549. The reversal of 6853545 is 5453586.

6853545 is a `hidden beast` number, since 68 + 53 + 545 = 666.

It is not a de Polignac number, because 6853545 - 2¹ = 6853543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6853543) 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 15 ways as a sum of consecutive naturals, for example, 25249 + ... + 25518.

It is an arithmetic number, because the mean of its divisors is an integer number (761520).

Almost surely, 2^6853545 is an apocalyptic number.

It is an amenable number.

6853545 is a deficient number, since it is larger than the sum of its proper divisors (5330775).

6853545 is a wasteful number, since it uses less digits than its factorization.

6853545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50781 (or 50775 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 6853545 is about 2617.9276155005. The cubic root of 6853545 is about 189.9496172967.

The spelling of 6853545 in words is "six million, eight hundred fifty-three thousand, five hundred forty-five".