6572872517 has 2 divisors, whose sum is σ = 6572872518. Its totient is φ = 6572872516.

The previous prime is 6572872513. The next prime is 6572872519. The reversal of 6572872517 is 7152782756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5822605636 + 750266881 = 76306^2 + 27391^2 .

It is a cyclic number.

It is not a de Polignac number, because 6572872517 - 2² = 6572872513 is a prime.

Together with 6572872519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6572872513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286436258 + 3286436259.

It is an arithmetic number, because the mean of its divisors is an integer number (3286436259).

Almost surely, 2^6572872517 is an apocalyptic number.

It is an amenable number.

6572872517 is a deficient number, since it is larger than the sum of its proper divisors (1).

6572872517 is an equidigital number, since it uses as much as digits as its factorization.

6572872517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 50.

The square root of 6572872517 is about 81073.2540175858. The cubic root of 6572872517 is about 1873.2039706653.

The spelling of 6572872517 in words is "six billion, five hundred seventy-two million, eight hundred seventy-two thousand, five hundred seventeen".