65456 has 10 divisors (see below), whose sum is σ = 126852. Its totient is φ = 32720.

The previous prime is 65449. The next prime is 65479.

65456 is nontrivially palindromic in base 10.

65456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 16.

It is an unprimeable number.

65456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030 + ... + 2061.

2⁶⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

65456 is a deficient number, since it is larger than the sum of its proper divisors (61396).

65456 is a wasteful number, since it uses less digits than its factorization.

65456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4093 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 65456 is about 255.8437022872. The cubic root of 65456 is about 40.3010616948.

The spelling of 65456 in words is "sixty-five thousand, four hundred fifty-six".