6507272081 has 2 divisors, whose sum is σ = 6507272082. Its totient is φ = 6507272080.

The previous prime is 6507271993. The next prime is 6507272099. The reversal of 6507272081 is 1802727056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6326611600 + 180660481 = 79540^2 + 13441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6507272081 is a prime.

It is a super-2 number, since 2×6507272081² = 84689179872324141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6507272281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253636040 + 3253636041.

It is an arithmetic number, because the mean of its divisors is an integer number (3253636041).

Almost surely, 2^6507272081 is an apocalyptic number.

It is an amenable number.

6507272081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6507272081 is an equidigital number, since it uses as much as digits as its factorization.

6507272081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 6507272081 is about 80667.6644077415. The cubic root of 6507272081 is about 1866.9512965456.

The spelling of 6507272081 in words is "six billion, five hundred seven million, two hundred seventy-two thousand, eighty-one".