5165815 has 8 divisors (see below), whose sum is σ = 6525360. Its totient is φ = 3915072.

The previous prime is 5165813. The next prime is 5165821. The reversal of 5165815 is 5185615.

5165815 = 61² + 62² + ... + 250².

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

It is a cyclic number.

It is not a de Polignac number, because 5165815 - 2¹ = 5165813 is a prime.

It is a super-2 number, since 2×5165815² = 53371289228450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165813) 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, 27094 + ... + 27283.

It is an arithmetic number, because the mean of its divisors is an integer number (815670).

Almost surely, 2^5165815 is an apocalyptic number.

5165815 is a deficient number, since it is larger than the sum of its proper divisors (1359545).

5165815 is a wasteful number, since it uses less digits than its factorization.

5165815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54401.

The product of its digits is 6000, while the sum is 31.

The square root of 5165815 is about 2272.8429334206. The cubic root of 5165815 is about 172.8673401343.

The spelling of 5165815 in words is "five million, one hundred sixty-five thousand, eight hundred fifteen".