82089113 has 2 divisors, whose sum is σ = 82089114. Its totient is φ = 82089112.

The previous prime is 82089109. The next prime is 82089121. The reversal of 82089113 is 31198028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 6538249 = 8692^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 82089113 - 2² = 82089109 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82089113.

It is not a weakly prime, because it can be changed into another prime (82089173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41044556 + 41044557.

It is an arithmetic number, because the mean of its divisors is an integer number (41044557).

Almost surely, 2^82089113 is an apocalyptic number.

It is an amenable number.

82089113 is a deficient number, since it is larger than the sum of its proper divisors (1).

82089113 is an equidigital number, since it uses as much as digits as its factorization.

82089113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 82089113 is about 9060.3042443397. The cubic root of 82089113 is about 434.6054695602.

The spelling of 82089113 in words is "eighty-two million, eighty-nine thousand, one hundred thirteen".