6611489 has 2 divisors, whose sum is σ = 6611490. Its totient is φ = 6611488.

The previous prime is 6611461. The next prime is 6611491. The reversal of 6611489 is 9841166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4376464 + 2235025 = 2092^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 6611489 - 2¹⁶ = 6545953 is a prime.

Together with 6611491, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6611389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305744 + 3305745.

It is an arithmetic number, because the mean of its divisors is an integer number (3305745).

Almost surely, 2^6611489 is an apocalyptic number.

It is an amenable number.

6611489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6611489 is an equidigital number, since it uses as much as digits as its factorization.

6611489 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6611489 is about 2571.2815870690. The cubic root of 6611489 is about 187.6865249021.

The spelling of 6611489 in words is "six million, six hundred eleven thousand, four hundred eighty-nine".