5131000165 has 8 divisors (see below), whose sum is σ = 6164632440. Its totient is φ = 4099845312.

The previous prime is 5131000159. The next prime is 5131000183. The reversal of 5131000165 is 5610001315.

It can be written as a sum of positive squares in 4 ways, for example, as 1847022529 + 3283977636 = 42977^2 + 57306^2 .

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 5131000165 - 2⁷ = 5131000037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614794 + ... + 623083.

It is an arithmetic number, because the mean of its divisors is an integer number (770579055).

Almost surely, 2^5131000165 is an apocalyptic number.

It is an amenable number.

5131000165 is a deficient number, since it is larger than the sum of its proper divisors (1033632275).

5131000165 is a wasteful number, since it uses less digits than its factorization.

5131000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238711.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5131000165 is about 71631.0000279209. Note that the first 4 decimals coincide. The cubic root of 5131000165 is about 1724.7811991614.

The spelling of 5131000165 in words is "five billion, one hundred thirty-one million, one hundred sixty-five", and thus it is an aban number.