82065653 has 2 divisors, whose sum is σ = 82065654. Its totient is φ = 82065652.

The previous prime is 82065623. The next prime is 82065703. The reversal of 82065653 is 35656028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 11135569 = 8422^2 + 3337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82065653 is a prime.

It is equal to p_4783049 and since 82065653 and 4783049 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82065623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41032826 + 41032827.

It is an arithmetic number, because the mean of its divisors is an integer number (41032827).

Almost surely, 2^82065653 is an apocalyptic number.

It is an amenable number.

82065653 is a deficient number, since it is larger than the sum of its proper divisors (1).

82065653 is an equidigital number, since it uses as much as digits as its factorization.

82065653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 82065653 is about 9059.0094933166. The cubic root of 82065653 is about 434.5640640868.

The spelling of 82065653 in words is "eighty-two million, sixty-five thousand, six hundred fifty-three".