68611 has 2 divisors, whose sum is σ = 68612. Its totient is φ = 68610.

The previous prime is 68597. The next prime is 68633. The reversal of 68611 is 11686.

It is an a-pointer prime, because the next prime (68633) can be obtained adding 68611 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68611 - 2⁷ = 68483 is a prime.

It is a Chen prime.

It is an Ulam 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, 34305 + 34306.

It is an arithmetic number, because the mean of its divisors is an integer number (34306).

2⁶⁸⁶¹¹ is an apocalyptic number.

68611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611 is an equidigital number, since it uses as much as digits as its factorization.

68611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 68611 is about 261.9370153300. The cubic root of 68611 is about 40.9384362585.

The spelling of 68611 in words is "sixty-eight thousand, six hundred eleven".