82030439 has 2 divisors, whose sum is σ = 82030440. Its totient is φ = 82030438.

The previous prime is 82030427. The next prime is 82030447. The reversal of 82030439 is 93403028.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82030439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82030409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41015219 + 41015220.

It is an arithmetic number, because the mean of its divisors is an integer number (41015220).

Almost surely, 2^82030439 is an apocalyptic number.

82030439 is a deficient number, since it is larger than the sum of its proper divisors (1).

82030439 is an equidigital number, since it uses as much as digits as its factorization.

82030439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 82030439 is about 9057.0656948043. The cubic root of 82030439 is about 434.5018987038.

The spelling of 82030439 in words is "eighty-two million, thirty thousand, four hundred thirty-nine".