65867 has 2 divisors, whose sum is σ = 65868. Its totient is φ = 65866.

The previous prime is 65851. The next prime is 65881. The reversal of 65867 is 76856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65867 - 2⁴ = 65851 is a prime.

It is a Chen prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65867.

It is not a weakly prime, because it can be changed into another prime (65827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32933 + 32934.

It is an arithmetic number, because the mean of its divisors is an integer number (32934).

2⁶⁵⁸⁶⁷ is an apocalyptic number.

65867 is a deficient number, since it is larger than the sum of its proper divisors (1).

65867 is an equidigital number, since it uses as much as digits as its factorization.

65867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 65867 is about 256.6456701369. The cubic root of 65867 is about 40.3852362484.

The spelling of 65867 in words is "sixty-five thousand, eight hundred sixty-seven".