82605319 has 2 divisors, whose sum is σ = 82605320. Its totient is φ = 82605318.

The previous prime is 82605307. The next prime is 82605343. The reversal of 82605319 is 91350628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82605319 - 2⁵ = 82605287 is a prime.

It is a super-2 number, since 2×82605319² = 13647277454183522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82605379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41302659 + 41302660.

It is an arithmetic number, because the mean of its divisors is an integer number (41302660).

Almost surely, 2^82605319 is an apocalyptic number.

82605319 is a deficient number, since it is larger than the sum of its proper divisors (1).

82605319 is an equidigital number, since it uses as much as digits as its factorization.

82605319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 82605319 is about 9088.7468333099. The cubic root of 82605319 is about 435.5145520711.

The spelling of 82605319 in words is "eighty-two million, six hundred five thousand, three hundred nineteen".