65411 has 4 divisors (see below), whose sum is σ = 66000. Its totient is φ = 64824.

The previous prime is 65407. The next prime is 65413. The reversal of 65411 is 11456.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65411 - 2² = 65407 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6 and base 15.

It is a nialpdrome in base 10 and base 16.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65411.

It is not an unprimeable number, because it can be changed into a prime (65413) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (16500).

2⁶⁵⁴¹¹ is an apocalyptic number.

65411 is a deficient number, since it is larger than the sum of its proper divisors (589).

65411 is a wasteful number, since it uses less digits than its factorization.

65411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its digits is 120, while the sum is 17.

The square root of 65411 is about 255.7557428485. The cubic root of 65411 is about 40.2918241228.

Adding to 65411 its reverse (11456), we get a palindrome (76867).

The spelling of 65411 in words is "sixty-five thousand, four hundred eleven".