82085329 has 2 divisors, whose sum is σ = 82085330. Its totient is φ = 82085328.

The previous prime is 82085309. The next prime is 82085357. The reversal of 82085329 is 92358028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 6864400 = 8673^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 82085329 - 2⁹ = 82084817 is a prime.

It is not a weakly prime, because it can be changed into another prime (82085309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41042664 + 41042665.

It is an arithmetic number, because the mean of its divisors is an integer number (41042665).

Almost surely, 2^82085329 is an apocalyptic number.

It is an amenable number.

82085329 is a deficient number, since it is larger than the sum of its proper divisors (1).

82085329 is an equidigital number, since it uses as much as digits as its factorization.

82085329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 82085329 is about 9060.0954189236. The cubic root of 82085329 is about 434.5987915640.

The spelling of 82085329 in words is "eighty-two million, eighty-five thousand, three hundred twenty-nine".