65497 has 2 divisors, whose sum is σ = 65498. Its totient is φ = 65496.

The previous prime is 65479. The next prime is 65519. The reversal of 65497 is 79456.

Together with previous prime (65479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55696 + 9801 = 236^2 + 99^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65497 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (65407) 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, 32748 + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (32749).

2⁶⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

65497 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497 is an equidigital number, since it uses as much as digits as its factorization.

65497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 65497 is about 255.9238167893. The cubic root of 65497 is about 40.3094744640.

It can be divided in two parts, 6549 and 7, that added together give a palindrome (6556).

The spelling of 65497 in words is "sixty-five thousand, four hundred ninety-seven".