65079697 has 2 divisors, whose sum is σ = 65079698. Its totient is φ = 65079696.

The previous prime is 65079691. The next prime is 65079709. The reversal of 65079697 is 79697056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62980096 + 2099601 = 7936^2 + 1449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65079697 is a prime.

It is a super-2 number, since 2×65079697² = 8470733923223618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65079697.

It is not a weakly prime, because it can be changed into another prime (65079691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32539848 + 32539849.

It is an arithmetic number, because the mean of its divisors is an integer number (32539849).

Almost surely, 2^65079697 is an apocalyptic number.

It is an amenable number.

65079697 is a deficient number, since it is larger than the sum of its proper divisors (1).

65079697 is an equidigital number, since it uses as much as digits as its factorization.

65079697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 65079697 is about 8067.1988323085. The cubic root of 65079697 is about 402.2368368360.

The spelling of 65079697 in words is "sixty-five million, seventy-nine thousand, six hundred ninety-seven".