4613309 has 4 divisors (see below), whose sum is σ = 4621404. Its totient is φ = 4605216.

The previous prime is 4613303. The next prime is 4613311. The reversal of 4613309 is 9033164.

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 2220100 + 2393209 = 1490^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 4613309 - 2⁴ = 4613293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4613303) 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, 3122 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (1155351).

Almost surely, 2^4613309 is an apocalyptic number.

It is an amenable number.

4613309 is a deficient number, since it is larger than the sum of its proper divisors (8095).

4613309 is an equidigital number, since it uses as much as digits as its factorization.

4613309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 4613309 is about 2147.8614946034. The cubic root of 4613309 is about 166.4705885217.

The spelling of 4613309 in words is "four million, six hundred thirteen thousand, three hundred nine".