6520916 has 12 divisors (see below), whose sum is σ = 11605440. Its totient is φ = 3205080.

The previous prime is 6520903. The next prime is 6520919. The reversal of 6520916 is 6190256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520919) 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, 13580 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (967120).

Almost surely, 2^6520916 is an apocalyptic number.

It is an amenable number.

6520916 is a deficient number, since it is larger than the sum of its proper divisors (5084524).

6520916 is a wasteful number, since it uses less digits than its factorization.

6520916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694 (or 27692 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 6520916 is about 2553.6084273044. The cubic root of 6520916 is about 186.8255209550.

The spelling of 6520916 in words is "six million, five hundred twenty thousand, nine hundred sixteen".