4321613 has 2 divisors, whose sum is σ = 4321614. Its totient is φ = 4321612.

The previous prime is 4321601. The next prime is 4321627. The reversal of 4321613 is 3161234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 779689 = 1882^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321613 - 2⁸ = 4321357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321633) 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 as a sum of consecutive naturals, namely, 2160806 + 2160807.

It is an arithmetic number, because the mean of its divisors is an integer number (2160807).

Almost surely, 2^4321613 is an apocalyptic number.

It is an amenable number.

4321613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321613 is an equidigital number, since it uses as much as digits as its factorization.

4321613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 4321613 is about 2078.8489603624. The cubic root of 4321613 is about 162.8853246383.

Adding to 4321613 its reverse (3161234), we get a palindrome (7482847).

The spelling of 4321613 in words is "four million, three hundred twenty-one thousand, six hundred thirteen".