6521896 has 16 divisors (see below), whose sum is σ = 12513600. Its totient is φ = 3184944.

The previous prime is 6521843. The next prime is 6521899. The reversal of 6521896 is 6981256.

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 (6521899) 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, 9136 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (782100).

Almost surely, 2^6521896 is an apocalyptic number.

It is an amenable number.

6521896 is a deficient number, since it is larger than the sum of its proper divisors (5991704).

6521896 is a wasteful number, since it uses less digits than its factorization.

6521896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19008 (or 19004 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 6521896 is about 2553.8003054272. The cubic root of 6521896 is about 186.8348795502.

The spelling of 6521896 in words is "six million, five hundred twenty-one thousand, eight hundred ninety-six".