6316361521 has 2 divisors, whose sum is σ = 6316361522. Its totient is φ = 6316361520.

The previous prime is 6316361431. The next prime is 6316361561. The reversal of 6316361521 is 1251636136.

6316361521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5857759296 + 458602225 = 76536^2 + 21415^2 .

It is a cyclic number.

It is not a de Polignac number, because 6316361521 - 2⁷ = 6316361393 is a prime.

It is not a weakly prime, because it can be changed into another prime (6316361561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3158180760 + 3158180761.

It is an arithmetic number, because the mean of its divisors is an integer number (3158180761).

Almost surely, 2^6316361521 is an apocalyptic number.

It is an amenable number.

6316361521 is a deficient number, since it is larger than the sum of its proper divisors (1).

6316361521 is an equidigital number, since it uses as much as digits as its factorization.

6316361521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 6316361521 is about 79475.5403945138. The cubic root of 6316361521 is about 1848.5122220074.

Adding to 6316361521 its reverse (1251636136), we get a palindrome (7567997657).

The spelling of 6316361521 in words is "six billion, three hundred sixteen million, three hundred sixty-one thousand, five hundred twenty-one".