8613089 has 2 divisors, whose sum is σ = 8613090. Its totient is φ = 8613088.

The previous prime is 8613047. The next prime is 8613091. The reversal of 8613089 is 9803168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 1982464 = 2575^2 + 1408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8613089 is a prime.

Together with 8613091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8613019) 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, 4306544 + 4306545.

It is an arithmetic number, because the mean of its divisors is an integer number (4306545).

Almost surely, 2^8613089 is an apocalyptic number.

It is an amenable number.

8613089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8613089 is an equidigital number, since it uses as much as digits as its factorization.

8613089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 8613089 is about 2934.8064672138. The cubic root of 8613089 is about 204.9838496101.

It can be divided in two parts, 86130 and 89, that multiplied together give a triangular number (7665570 = T₃₉₁₅).

The spelling of 8613089 in words is "eight million, six hundred thirteen thousand, eighty-nine".