5465 has 4 divisors (see below), whose sum is σ = 6564. Its totient is φ = 4368.
The previous prime is 5449. The next prime is 5471. The reversal of 5465 is 5645.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5645 = 5 ⋅1129.
It can be written as a sum of positive squares in 2 ways, for example, as 4096 + 1369 = 64^2 + 37^2 .
It is a cyclic number.
It is not a de Polignac number, because 5465 - 24 = 5449 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a nialpdrome in base 9.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is an upside-down number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 551.
It is an arithmetic number, because the mean of its divisors is an integer number (1641).
25465 is an apocalyptic number.
It is an amenable number.
5465 is a deficient number, since it is larger than the sum of its proper divisors (1099).
5465 is a wasteful number, since it uses less digits than its factorization.
5465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1098.
The product of its digits is 600, while the sum is 20.
The square root of 5465 is about 73.9256383131. The cubic root of 5465 is about 17.6142188815.
Subtracting from 5465 its sum of digits (20), we obtain a palindrome (5445).
The spelling of 5465 in words is "five thousand, four hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.027 sec. • engine limits •