5105665 has 8 divisors (see below), whose sum is σ = 6139368. Its totient is φ = 4076160.

The previous prime is 5105641. The next prime is 5105671. The reversal of 5105665 is 5665015.

It can be written as a sum of positive squares in 4 ways, for example, as 478864 + 4626801 = 692^2 + 2151^2 .

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

It is not a de Polignac number, because 5105665 - 2¹³ = 5097473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (767421).

Almost surely, 2^5105665 is an apocalyptic number.

It is an amenable number.

5105665 is a deficient number, since it is larger than the sum of its proper divisors (1033703).

5105665 is a wasteful number, since it uses less digits than its factorization.

5105665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5105665 is about 2259.5718621013. The cubic root of 5105665 is about 172.1937716136.

The spelling of 5105665 in words is "five million, one hundred five thousand, six hundred sixty-five".