65079517 has 2 divisors, whose sum is σ = 65079518. Its totient is φ = 65079516.

The previous prime is 65079481. The next prime is 65079527. The reversal of 65079517 is 71597056.

65079517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64545156 + 534361 = 8034^2 + 731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65079517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65079517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65079527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32539758 + 32539759.

It is an arithmetic number, because the mean of its divisors is an integer number (32539759).

Almost surely, 2^65079517 is an apocalyptic number.

It is an amenable number.

65079517 is a deficient number, since it is larger than the sum of its proper divisors (1).

65079517 is an equidigital number, since it uses as much as digits as its factorization.

65079517 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 65079517 is about 8067.1876760120. The cubic root of 65079517 is about 402.2364659948.

The spelling of 65079517 in words is "sixty-five million, seventy-nine thousand, five hundred seventeen".