5665289 has 8 divisors (see below), whose sum is σ = 6491520. Its totient is φ = 4843296.

The previous prime is 5665277. The next prime is 5665313. The reversal of 5665289 is 9825665.

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 5665289 - 2⁴ = 5665273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5665259) 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, 2717 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^5665289 is an apocalyptic number.

It is an amenable number.

5665289 is a deficient number, since it is larger than the sum of its proper divisors (826231).

5665289 is a wasteful number, since it uses less digits than its factorization.

5665289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its digits is 129600, while the sum is 41.

The square root of 5665289 is about 2380.1867573785. The cubic root of 5665289 is about 178.2682589795.

The spelling of 5665289 in words is "five million, six hundred sixty-five thousand, two hundred eighty-nine".