8613229 has 2 divisors, whose sum is σ = 8613230. Its totient is φ = 8613228.

The previous prime is 8613221. The next prime is 8613281. The reversal of 8613229 is 9223168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 1334025 = 2698^2 + 1155^2 .

It is a cyclic number.

It is not a de Polignac number, because 8613229 - 2³ = 8613221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8613229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8613221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306614 + 4306615.

It is an arithmetic number, because the mean of its divisors is an integer number (4306615).

Almost surely, 2^8613229 is an apocalyptic number.

It is an amenable number.

8613229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8613229 is an equidigital number, since it uses as much as digits as its factorization.

8613229 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8613229 is about 2934.8303187748. The cubic root of 8613229 is about 204.9849602292.

The spelling of 8613229 in words is "eight million, six hundred thirteen thousand, two hundred twenty-nine".