64995 has 16 divisors (see below), whose sum is σ = 119040. Its totient is φ = 29664.

The previous prime is 64969. The next prime is 64997. The reversal of 64995 is 59946.

It is a happy number.

It is not a de Polignac number, because 64995 - 2⁹ = 64483 is a prime.

64995 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64995.

It is not an unprimeable number, because it can be changed into a prime (64997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 414.

It is an arithmetic number, because the mean of its divisors is an integer number (7440).

2⁶⁴⁹⁹⁵ is an apocalyptic number.

64995 is a deficient number, since it is larger than the sum of its proper divisors (54045).

64995 is a wasteful number, since it uses less digits than its factorization.

64995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its digits is 9720, while the sum is 33.

The square root of 64995 is about 254.9411696843. The cubic root of 64995 is about 40.2062266041.

The spelling of 64995 in words is "sixty-four thousand, nine hundred ninety-five".