5000665 has 4 divisors (see below), whose sum is σ = 6000804. Its totient is φ = 4000528.

The previous prime is 5000657. The next prime is 5000687. The reversal of 5000665 is 5660005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 2347024 = 1629^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000665 - 2³ = 5000657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500062 + ... + 500071.

It is an arithmetic number, because the mean of its divisors is an integer number (1500201).

Almost surely, 2^5000665 is an apocalyptic number.

It is an amenable number.

5000665 is a deficient number, since it is larger than the sum of its proper divisors (1000139).

5000665 is a wasteful number, since it uses less digits than its factorization.

5000665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000138.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5000665 is about 2236.2166710764. The cubic root of 5000665 is about 171.0051752250.

It can be divided in two parts, 5000 and 665, that added together give a palindrome (5665).

The spelling of 5000665 in words is "five million, six hundred sixty-five", and thus it is an aban number.