5217665 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 3919872.

The previous prime is 5217661. The next prime is 5217673. The reversal of 5217665 is 5667125.

It is a happy number.

5217665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5217665 - 2² = 5217661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5217661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6401 + ... + 7169.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^5217665 is an apocalyptic number.

It is an amenable number.

5217665 is a deficient number, since it is larger than the sum of its proper divisors (1435135).

5217665 is a wasteful number, since it uses less digits than its factorization.

5217665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 12600, while the sum is 32.

The square root of 5217665 is about 2284.2208737335. The cubic root of 5217665 is about 173.4437802828.

The spelling of 5217665 in words is "five million, two hundred seventeen thousand, six hundred sixty-five".