5169665 has 8 divisors (see below), whose sum is σ = 6217128. Its totient is φ = 4126720.

The previous prime is 5169643. The next prime is 5169667. The reversal of 5169665 is 5669615.

It can be written as a sum of positive squares in 4 ways, for example, as 1739761 + 3429904 = 1319^2 + 1852^2 .

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

It is not a de Polignac number, because 5169665 - 2⁶ = 5169601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5169667) 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, 2399 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (777141).

Almost surely, 2^5169665 is an apocalyptic number.

It is an amenable number.

5169665 is a deficient number, since it is larger than the sum of its proper divisors (1047463).

5169665 is a wasteful number, since it uses less digits than its factorization.

5169665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its digits is 48600, while the sum is 38.

The square root of 5169665 is about 2273.6897325713. The cubic root of 5169665 is about 172.9102745657.

The spelling of 5169665 in words is "five million, one hundred sixty-nine thousand, six hundred sixty-five".