8648513 has 2 divisors, whose sum is σ = 8648514. Its totient is φ = 8648512.

The previous prime is 8648501. The next prime is 8648531. The reversal of 8648513 is 3158468.

8648513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8648531) 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., 8254129 + 394384 = 2873^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 8648513 - 2²² = 4454209 is a prime.

It is a super-2 number, since 2×8648513² = 149593554222338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8648533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324256 + 4324257.

It is an arithmetic number, because the mean of its divisors is an integer number (4324257).

Almost surely, 2^8648513 is an apocalyptic number.

It is an amenable number.

8648513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8648513 is an equidigital number, since it uses as much as digits as its factorization.

8648513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 8648513 is about 2940.8354255211. The cubic root of 8648513 is about 205.2644851143.

The spelling of 8648513 in words is "eight million, six hundred forty-eight thousand, five hundred thirteen".