65711369 has 2 divisors, whose sum is σ = 65711370. Its totient is φ = 65711368.

The previous prime is 65711363. The next prime is 65711381. The reversal of 65711369 is 96311756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 6190144 = 7715^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 65711369 - 2¹² = 65707273 is a prime.

It is a super-2 number, since 2×65711369² = 8635968031708322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65711363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32855684 + 32855685.

It is an arithmetic number, because the mean of its divisors is an integer number (32855685).

Almost surely, 2^65711369 is an apocalyptic number.

It is an amenable number.

65711369 is a deficient number, since it is larger than the sum of its proper divisors (1).

65711369 is an equidigital number, since it uses as much as digits as its factorization.

65711369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 65711369 is about 8106.2549306076. The cubic root of 65711369 is about 403.5340365925.

The spelling of 65711369 in words is "sixty-five million, seven hundred eleven thousand, three hundred sixty-nine".