82365919 has 2 divisors, whose sum is σ = 82365920. Its totient is φ = 82365918.

The previous prime is 82365911. The next prime is 82365961. The reversal of 82365919 is 91956328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82365919 - 2³ = 82365911 is a prime.

It is a super-2 number, since 2×82365919² = 13568289225429122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82365911) 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, 41182959 + 41182960.

It is an arithmetic number, because the mean of its divisors is an integer number (41182960).

Almost surely, 2^82365919 is an apocalyptic number.

82365919 is a deficient number, since it is larger than the sum of its proper divisors (1).

82365919 is an equidigital number, since it uses as much as digits as its factorization.

82365919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 82365919 is about 9075.5671448125. The cubic root of 82365919 is about 435.0934207247.

The spelling of 82365919 in words is "eighty-two million, three hundred sixty-five thousand, nine hundred nineteen".