65465 has 4 divisors (see below), whose sum is σ = 78564. Its totient is φ = 52368.

The previous prime is 65449. The next prime is 65479. The reversal of 65465 is 56456.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 22201 = 208^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 65465 - 2⁴ = 65449 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (19641).

2⁶⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

65465 is a deficient number, since it is larger than the sum of its proper divisors (13099).

65465 is a wasteful number, since it uses less digits than its factorization.

65465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098.

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

The square root of 65465 is about 255.8612905463. The cubic root of 65465 is about 40.3029087011.

Subtracting from 65465 its reverse (56456), we obtain a palindrome (9009).

The spelling of 65465 in words is "sixty-five thousand, four hundred sixty-five".