4809613 has 4 divisors (see below), whose sum is σ = 4820508. Its totient is φ = 4798720.

The previous prime is 4809583. The next prime is 4809643. The reversal of 4809613 is 3169084.

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

It is an interprime number because it is at equal distance from previous prime (4809583) and next prime (4809643).

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 2490084 = 1523^2 + 1578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4809613 is a prime.

It is a super-3 number, since 3×4809613³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809643) 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, 4756 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (1205127).

Almost surely, 2^4809613 is an apocalyptic number.

It is an amenable number.

4809613 is a deficient number, since it is larger than the sum of its proper divisors (10895).

4809613 is a wasteful number, since it uses less digits than its factorization.

4809613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4809613 is about 2193.0829897658. The cubic root of 4809613 is about 168.7990679441.

The spelling of 4809613 in words is "four million, eight hundred nine thousand, six hundred thirteen".