6515488753 has 2 divisors, whose sum is σ = 6515488754. Its totient is φ = 6515488752.

The previous prime is 6515488741. The next prime is 6515488769. The reversal of 6515488753 is 3578845156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5368785984 + 1146702769 = 73272^2 + 33863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6515488753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6515488753.

It is not a weakly prime, because it can be changed into another prime (6515488703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257744376 + 3257744377.

It is an arithmetic number, because the mean of its divisors is an integer number (3257744377).

Almost surely, 2^6515488753 is an apocalyptic number.

It is an amenable number.

6515488753 is a deficient number, since it is larger than the sum of its proper divisors (1).

6515488753 is an equidigital number, since it uses as much as digits as its factorization.

6515488753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 52.

The square root of 6515488753 is about 80718.5774961378. The cubic root of 6515488753 is about 1867.7367600582.

The spelling of 6515488753 in words is "six billion, five hundred fifteen million, four hundred eighty-eight thousand, seven hundred fifty-three".