6531116 has 6 divisors (see below), whose sum is σ = 11429460. Its totient is φ = 3265556.

The previous prime is 6531113. The next prime is 6531121. The reversal of 6531116 is 6111356.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6531091 and 6531100.

It is not an unprimeable number, because it can be changed into a prime (6531113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816386 + ... + 816393.

It is an arithmetic number, because the mean of its divisors is an integer number (1904910).

Almost surely, 2^6531116 is an apocalyptic number.

It is an amenable number.

6531116 is a deficient number, since it is larger than the sum of its proper divisors (4898344).

6531116 is a wasteful number, since it uses less digits than its factorization.

6531116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632783 (or 1632781 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 6531116 is about 2555.6048207812. The cubic root of 6531116 is about 186.9228808753.

The spelling of 6531116 in words is "six million, five hundred thirty-one thousand, one hundred sixteen".