5312232665 has 16 divisors (see below), whose sum is σ = 6498445968. Its totient is φ = 4167361536.

The previous prime is 5312232661. The next prime is 5312232683. The reversal of 5312232665 is 5662322135.

It can be written as a sum of positive squares in 8 ways, for example, as 1112155801 + 4200076864 = 33349^2 + 64808^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312232665 - 2² = 5312232661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312232661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 629957 + ... + 638333.

It is an arithmetic number, because the mean of its divisors is an integer number (406152873).

Almost surely, 2^5312232665 is an apocalyptic number.

It is an amenable number.

5312232665 is a deficient number, since it is larger than the sum of its proper divisors (1186213303).

5312232665 is a wasteful number, since it uses less digits than its factorization.

5312232665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828.

The product of its digits is 64800, while the sum is 35.

The square root of 5312232665 is about 72885.0647595240. The cubic root of 5312232665 is about 1744.8537426370.

The spelling of 5312232665 in words is "five billion, three hundred twelve million, two hundred thirty-two thousand, six hundred sixty-five".