6601289 has 4 divisors (see below), whose sum is σ = 6625920. Its totient is φ = 6576660.

The previous prime is 6601279. The next prime is 6601307. The reversal of 6601289 is 9821066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6601289 - 2⁸ = 6601033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6601279) 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 in 3 ways as a sum of consecutive naturals, for example, 11909 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (1656480).

Almost surely, 2^6601289 is an apocalyptic number.

It is an amenable number.

6601289 is a deficient number, since it is larger than the sum of its proper divisors (24631).

6601289 is a wasteful number, since it uses less digits than its factorization.

6601289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6601289 is about 2569.2973747700. The cubic root of 6601289 is about 187.5899562425.

The spelling of 6601289 in words is "six million, six hundred one thousand, two hundred eighty-nine".