82040653 has 2 divisors, whose sum is σ = 82040654. Its totient is φ = 82040652.

The previous prime is 82040641. The next prime is 82040677. The reversal of 82040653 is 35604028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79174404 + 2866249 = 8898^2 + 1693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82040653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82040053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41020326 + 41020327.

It is an arithmetic number, because the mean of its divisors is an integer number (41020327).

Almost surely, 2^82040653 is an apocalyptic number.

It is an amenable number.

82040653 is a deficient number, since it is larger than the sum of its proper divisors (1).

82040653 is an equidigital number, since it uses as much as digits as its factorization.

82040653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 82040653 is about 9057.6295464100. The cubic root of 82040653 is about 434.5199319212.

The spelling of 82040653 in words is "eighty-two million, forty thousand, six hundred fifty-three".