6651289 has 8 divisors (see below), whose sum is σ = 6776000. Its totient is φ = 6527952.

The previous prime is 6651277. The next prime is 6651317. The reversal of 6651289 is 9821566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6651289 - 2¹³ = 6643097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6654289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14932 + ... + 15370.

It is an arithmetic number, because the mean of its divisors is an integer number (847000).

Almost surely, 2^6651289 is an apocalyptic number.

It is an amenable number.

6651289 is a deficient number, since it is larger than the sum of its proper divisors (124711).

6651289 is a wasteful number, since it uses less digits than its factorization.

6651289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its digits is 25920, while the sum is 37.

The square root of 6651289 is about 2579.0093059157. The cubic root of 6651289 is about 188.0623849850.

The spelling of 6651289 in words is "six million, six hundred fifty-one thousand, two hundred eighty-nine".