82042619 has 2 divisors, whose sum is σ = 82042620. Its totient is φ = 82042618.

The previous prime is 82042601. The next prime is 82042651. The reversal of 82042619 is 91624028.

It is an a-pointer prime, because the next prime (82042651) can be obtained adding 82042619 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82042619 is a prime.

It is a super-2 number, since 2×82042619² = 13461982664758322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82042669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41021309 + 41021310.

It is an arithmetic number, because the mean of its divisors is an integer number (41021310).

Almost surely, 2^82042619 is an apocalyptic number.

82042619 is a deficient number, since it is larger than the sum of its proper divisors (1).

82042619 is an equidigital number, since it uses as much as digits as its factorization.

82042619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 82042619 is about 9057.7380730511. The cubic root of 82042619 is about 434.5234027994.

The spelling of 82042619 in words is "eighty-two million, forty-two thousand, six hundred nineteen".