5005665 has 32 divisors (see below), whose sum is σ = 10172160. Its totient is φ = 2287872.

The previous prime is 5005643. The next prime is 5005669. The reversal of 5005665 is 5665005.

It is not a de Polignac number, because 5005665 - 2¹⁵ = 4972897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (317880).

Almost surely, 2^5005665 is an apocalyptic number.

It is an amenable number.

5005665 is an abundant number, since it is smaller than the sum of its proper divisors (5166495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5005665 is a wasteful number, since it uses less digits than its factorization.

5005665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5005665 is about 2237.3343514102. The cubic root of 5005665 is about 171.0621503848.

The spelling of 5005665 in words is "five million, five thousand, six hundred sixty-five".