5231163565 has 4 divisors (see below), whose sum is σ = 6277396284. Its totient is φ = 4184930848.

The previous prime is 5231163529. The next prime is 5231163601. The reversal of 5231163565 is 5653611325.

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

It is an interprime number because it is at equal distance from previous prime (5231163529) and next prime (5231163601).

It can be written as a sum of positive squares in 2 ways, for example, as 2129453316 + 3101710249 = 46146^2 + 55693^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231163565 - 2¹⁷ = 5231032493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523116352 + ... + 523116361.

It is an arithmetic number, because the mean of its divisors is an integer number (1569349071).

Almost surely, 2^5231163565 is an apocalyptic number.

It is an amenable number.

5231163565 is a deficient number, since it is larger than the sum of its proper divisors (1046232719).

5231163565 is a wasteful number, since it uses less digits than its factorization.

5231163565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046232718.

The product of its digits is 81000, while the sum is 37.

The square root of 5231163565 is about 72326.7831788474. The cubic root of 5231163565 is about 1735.9322299574.

The spelling of 5231163565 in words is "five billion, two hundred thirty-one million, one hundred sixty-three thousand, five hundred sixty-five".