64535 has 4 divisors (see below), whose sum is σ = 77448. Its totient is φ = 51624.

The previous prime is 64513. The next prime is 64553. The reversal of 64535 is 53546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64535 - 2⁸ = 64279 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 64535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6449 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (19362).

2⁶⁴⁵³⁵ is an apocalyptic number.

64535 is a deficient number, since it is larger than the sum of its proper divisors (12913).

64535 is a wasteful number, since it uses less digits than its factorization.

64535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912.

The product of its digits is 1800, while the sum is 23.

The square root of 64535 is about 254.0373988215. The cubic root of 64535 is about 40.1111491937. Note that the first 4 decimals are identical.

The spelling of 64535 in words is "sixty-four thousand, five hundred thirty-five".