6506505097 has 2 divisors, whose sum is σ = 6506505098. Its totient is φ = 6506505096.

The previous prime is 6506505079. The next prime is 6506505133. The reversal of 6506505097 is 7905056056.

Together with previous prime (6506505079) 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., 5707651401 + 798853696 = 75549^2 + 28264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6506505097 is a prime.

It is not a weakly prime, because it can be changed into another prime (6506508097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253252548 + 3253252549.

It is an arithmetic number, because the mean of its divisors is an integer number (3253252549).

Almost surely, 2^6506505097 is an apocalyptic number.

It is an amenable number.

6506505097 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506505097 is an equidigital number, since it uses as much as digits as its factorization.

6506505097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 6506505097 is about 80662.9102933932. The cubic root of 6506505097 is about 1866.8779438403.

The spelling of 6506505097 in words is "six billion, five hundred six million, five hundred five thousand, ninety-seven".