64653 has 8 divisors (see below), whose sum is σ = 90048. Its totient is φ = 41184.

The previous prime is 64633. The next prime is 64661. The reversal of 64653 is 35646.

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

It is not a de Polignac number, because 64653 - 2⁵ = 64621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (11256).

2⁶⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

64653 is a deficient number, since it is larger than the sum of its proper divisors (25395).

64653 is a wasteful number, since it uses less digits than its factorization.

64653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 2160, while the sum is 24.

The square root of 64653 is about 254.2695420218. The cubic root of 64653 is about 40.1355815883.

It can be divided in two parts, 64 and 653, that added together give a palindrome (717).

The spelling of 64653 in words is "sixty-four thousand, six hundred fifty-three".