6542885 has 8 divisors (see below), whose sum is σ = 7969056. Its totient is φ = 5155920.

The previous prime is 6542867. The next prime is 6542927. The reversal of 6542885 is 5882456.

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

It is not a de Polignac number, because 6542885 - 2¹² = 6538789 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 9431 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (996132).

Almost surely, 2^6542885 is an apocalyptic number.

It is an amenable number.

6542885 is a deficient number, since it is larger than the sum of its proper divisors (1426171).

6542885 is a wasteful number, since it uses less digits than its factorization.

6542885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603.

The product of its digits is 76800, while the sum is 38.

The square root of 6542885 is about 2557.9063704522. The cubic root of 6542885 is about 187.0350911679.

The spelling of 6542885 in words is "six million, five hundred forty-two thousand, eight hundred eighty-five".