65097517 has 2 divisors, whose sum is σ = 65097518. Its totient is φ = 65097516.

The previous prime is 65097511. The next prime is 65097563. The reversal of 65097517 is 71579056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 6895876 = 7629^2 + 2626^2 .

It is a cyclic number.

It is not a de Polignac number, because 65097517 - 2¹⁵ = 65064749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65097517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65097511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32548758 + 32548759.

It is an arithmetic number, because the mean of its divisors is an integer number (32548759).

Almost surely, 2^65097517 is an apocalyptic number.

It is an amenable number.

65097517 is a deficient number, since it is larger than the sum of its proper divisors (1).

65097517 is an equidigital number, since it uses as much as digits as its factorization.

65097517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 65097517 is about 8068.3032293042. The cubic root of 65097517 is about 402.2735467298.

The spelling of 65097517 in words is "sixty-five million, ninety-seven thousand, five hundred seventeen".