82619 has 2 divisors, whose sum is σ = 82620. Its totient is φ = 82618.

The previous prime is 82613. The next prime is 82633. The reversal of 82619 is 91628.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82619 is a prime.

It is a super-2 number, since 2×82619² = 13651798322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41309 + 41310.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2⁸²⁶¹⁹ is an apocalyptic number.

82619 is a deficient number, since it is larger than the sum of its proper divisors (1).

82619 is an equidigital number, since it uses as much as digits as its factorization.

82619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 82619 is about 287.4352100909. The cubic root of 82619 is about 43.5538593887.

Subtracting 82619 from its reverse (91628), we obtain a palindrome (9009).

The spelling of 82619 in words is "eighty-two thousand, six hundred nineteen".