6534891 has 16 divisors (see below), whose sum is σ = 10561920. Its totient is φ = 3960360.

The previous prime is 6534883. The next prime is 6534901. The reversal of 6534891 is 1984356.

It is not a de Polignac number, because 6534891 - 2³ = 6534883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6534091) 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, 10705 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (660120).

Almost surely, 2^6534891 is an apocalyptic number.

6534891 is a deficient number, since it is larger than the sum of its proper divisors (4027029).

6534891 is a wasteful number, since it uses less digits than its factorization.

6534891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22023 (or 22017 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6534891 is about 2556.3432868064. The cubic root of 6534891 is about 186.9588878899.

The spelling of 6534891 in words is "six million, five hundred thirty-four thousand, eight hundred ninety-one".