6520316 has 48 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 2661120.

The previous prime is 6520313. The next prime is 6520321. The reversal of 6520316 is 6130256.

6520316 = T₁₆₅ + T₁₆₆ + ... + T₃₅₁.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 6520291 and 6520300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520313) 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, 17015 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^6520316 is an apocalyptic number.

It is an amenable number.

6520316 is an abundant number, since it is smaller than the sum of its proper divisors (7269124).

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

6520316 is a wasteful number, since it uses less digits than its factorization.

6520316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 6520316 is about 2553.4909437866. The cubic root of 6520316 is about 186.8197907400.

The spelling of 6520316 in words is "six million, five hundred twenty thousand, three hundred sixteen".