68113 has 2 divisors, whose sum is σ = 68114. Its totient is φ = 68112.
The previous prime is 68111. The next prime is 68141. The reversal of 68113 is 31186.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 51984 + 16129 = 228^2 + 127^2 .
It is a cyclic number.
It is not a de Polignac number, because 68113 - 21 = 68111 is a prime.
Together with 68111, it forms a pair of twin primes.
68113 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (68111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34056 + 34057.
It is an arithmetic number, because the mean of its divisors is an integer number (34057).
268113 is an apocalyptic number.
It is an amenable number.
68113 is a deficient number, since it is larger than the sum of its proper divisors (1).
68113 is an equidigital number, since it uses as much as digits as its factorization.
68113 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 144, while the sum is 19.
The square root of 68113 is about 260.9846738795. The cubic root of 68113 is about 40.8391476750.
Adding to 68113 its reverse (31186), we get a palindrome (99299).
It can be divided in two parts, 68 and 113, that added together give a palindrome (181).
The spelling of 68113 in words is "sixty-eight thousand, one hundred thirteen".
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