4613 has 4 divisors (see below), whose sum is σ = 5280.
Its totient is φ = 3948.
The previous prime is 4603. The next prime is 4621. The reversal of 4613 is 3164.
Adding to 4613 its reverse (3164), we get a palindrome (7777).
It can be divided in two parts, 461 and 3, that added together give a palindrome (464).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 4613 - 24 = 4597 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4603) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 336.
It is an arithmetic number, because the mean of its divisors is an integer number (1320).
24613 is an apocalyptic number.
It is an amenable number.
4613 is a deficient number, since it is larger than the sum of its proper divisors (667).
4613 is an equidigital number, since it uses as much as digits as its factorization.
4613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666.
The product of its digits is 72, while the sum is 14.
The square root of 4613 is about 67.9190694871.
The cubic root of 4613 is about 16.6466871699.
The spelling of 4613 in words is "four thousand, six hundred thirteen".