64654 has 4 divisors (see below), whose sum is σ = 96984. Its totient is φ = 32326.

The previous prime is 64633. The next prime is 64661. The reversal of 64654 is 45646.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16162 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (24246).

2⁶⁴⁶⁵⁴ is an apocalyptic number.

64654 is a deficient number, since it is larger than the sum of its proper divisors (32330).

64654 is a wasteful number, since it uses less digits than its factorization.

64654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32329.

The product of its digits is 2880, while the sum is 25.

The square root of 64654 is about 254.2715084314. The cubic root of 64654 is about 40.1357885154.

The spelling of 64654 in words is "sixty-four thousand, six hundred fifty-four".