65995 has 8 divisors (see below), whose sum is σ = 80784. Its totient is φ = 51744.

The previous prime is 65993. The next prime is 66029. The reversal of 65995 is 59956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65995 - 2¹ = 65993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65995.

It is not an unprimeable number, because it can be changed into a prime (65993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (10098).

2⁶⁵⁹⁹⁵ is an apocalyptic number.

65995 is a deficient number, since it is larger than the sum of its proper divisors (14789).

65995 is a wasteful number, since it uses less digits than its factorization.

65995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its digits is 12150, while the sum is 34.

The square root of 65995 is about 256.8949201522. The cubic root of 65995 is about 40.4113796653.

The spelling of 65995 in words is "sixty-five thousand, nine hundred ninety-five".