6865545 has 16 divisors (see below), whose sum is σ = 11050560. Its totient is φ = 3639744.

The previous prime is 6865543. The next prime is 6865553. The reversal of 6865545 is 5455686.

6865545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6865545 - 2¹ = 6865543 is a prime.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (6865543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (690660).

Almost surely, 2^6865545 is an apocalyptic number.

It is an amenable number.

6865545 is a deficient number, since it is larger than the sum of its proper divisors (4185015).

6865545 is a wasteful number, since it uses less digits than its factorization.

6865545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its digits is 144000, while the sum is 39.

The square root of 6865545 is about 2620.2185023391. The cubic root of 6865545 is about 190.0604147674.

The spelling of 6865545 in words is "six million, eight hundred sixty-five thousand, five hundred forty-five".