6560513 has 2 divisors, whose sum is σ = 6560514. Its totient is φ = 6560512.

The previous prime is 6560509. The next prime is 6560531. The reversal of 6560513 is 3150656.

Together with next prime (6560531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4566769 + 1993744 = 2137^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 6560513 - 2² = 6560509 is a prime.

It is not a weakly prime, because it can be changed into another prime (6560503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280256 + 3280257.

It is an arithmetic number, because the mean of its divisors is an integer number (3280257).

Almost surely, 2^6560513 is an apocalyptic number.

It is an amenable number.

6560513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6560513 is an equidigital number, since it uses as much as digits as its factorization.

6560513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 6560513 is about 2561.3498394401. The cubic root of 6560513 is about 187.2029120404.

The spelling of 6560513 in words is "six million, five hundred sixty thousand, five hundred thirteen".