82611 has 12 divisors (see below), whose sum is σ = 121992. Its totient is φ = 53856.

The previous prime is 82609. The next prime is 82613. The reversal of 82611 is 11628.

It is an interprime number because it is at equal distance from previous prime (82609) and next prime (82613).

It is not a de Polignac number, because 82611 - 2¹ = 82609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (10166).

2⁸²⁶¹¹ is an apocalyptic number.

82611 is a deficient number, since it is larger than the sum of its proper divisors (39381).

82611 is a wasteful number, since it uses less digits than its factorization.

82611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 207 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 82611 is about 287.4212935744. The cubic root of 82611 is about 43.5524535696.

The spelling of 82611 in words is "eighty-two thousand, six hundred eleven".