6528115213 has 2 divisors, whose sum is σ = 6528115214. Its totient is φ = 6528115212.

The previous prime is 6528115211. The next prime is 6528115241. The reversal of 6528115213 is 3125118256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6121810564 + 406304649 = 78242^2 + 20157^2 .

It is a cyclic number.

It is not a de Polignac number, because 6528115213 - 2¹ = 6528115211 is a prime.

Together with 6528115211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6528115211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264057606 + 3264057607.

It is an arithmetic number, because the mean of its divisors is an integer number (3264057607).

Almost surely, 2^6528115213 is an apocalyptic number.

It is an amenable number.

6528115213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6528115213 is an equidigital number, since it uses as much as digits as its factorization.

6528115213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 6528115213 is about 80796.7524904312. The cubic root of 6528115213 is about 1868.9424862327.

The spelling of 6528115213 in words is "six billion, five hundred twenty-eight million, one hundred fifteen thousand, two hundred thirteen".