6521696 has 24 divisors (see below), whose sum is σ = 13399344. Its totient is φ = 3118720.

The previous prime is 6521689. The next prime is 6521699. The reversal of 6521696 is 6961256.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6521699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3695 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (558306).

Almost surely, 2^6521696 is an apocalyptic number.

It is an amenable number.

6521696 is an abundant number, since it is smaller than the sum of its proper divisors (6877648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6521696 is a wasteful number, since it uses less digits than its factorization.

6521696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8886 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 6521696 is about 2553.7611477975. The cubic root of 6521696 is about 186.8329697089.

The spelling of 6521696 in words is "six million, five hundred twenty-one thousand, six hundred ninety-six".