6525072817 has 2 divisors, whose sum is σ = 6525072818. Its totient is φ = 6525072816.

The previous prime is 6525072773. The next prime is 6525072847. The reversal of 6525072817 is 7182705256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6437013361 + 88059456 = 80231^2 + 9384^2 .

It is a cyclic number.

It is not a de Polignac number, because 6525072817 - 2³¹ = 4377589169 is a prime.

It is not a weakly prime, because it can be changed into another prime (6525072847) 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, 3262536408 + 3262536409.

It is an arithmetic number, because the mean of its divisors is an integer number (3262536409).

Almost surely, 2^6525072817 is an apocalyptic number.

It is an amenable number.

6525072817 is a deficient number, since it is larger than the sum of its proper divisors (1).

6525072817 is an equidigital number, since it uses as much as digits as its factorization.

6525072817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 6525072817 is about 80777.9228316747. The cubic root of 6525072817 is about 1868.6521039652.

The spelling of 6525072817 in words is "six billion, five hundred twenty-five million, seventy-two thousand, eight hundred seventeen".