6523561317 has 32 divisors (see below), whose sum is σ = 11335064832. Its totient is φ = 3238585344.

The previous prime is 6523561309. The next prime is 6523561381. The reversal of 6523561317 is 7131653256.

6523561317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6523561317 - 2³ = 6523561309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523561217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698178 + ... + 707459.

It is an arithmetic number, because the mean of its divisors is an integer number (354220776).

Almost surely, 2^6523561317 is an apocalyptic number.

It is an amenable number.

6523561317 is a deficient number, since it is larger than the sum of its proper divisors (4811503515).

6523561317 is a wasteful number, since it uses less digits than its factorization.

6523561317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405677.

The product of its digits is 113400, while the sum is 39.

The square root of 6523561317 is about 80768.5663918829. The cubic root of 6523561317 is about 1868.5078048974.

The spelling of 6523561317 in words is "six billion, five hundred twenty-three million, five hundred sixty-one thousand, three hundred seventeen".