5312241665 has 8 divisors (see below), whose sum is σ = 6375252840. Its totient is φ = 4249418112.

The previous prime is 5312241661. The next prime is 5312241689. The reversal of 5312241665 is 5661422135.

It can be written as a sum of positive squares in 4 ways, for example, as 886133824 + 4426107841 = 29768^2 + 66529^2 .

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 5312241665 - 2² = 5312241661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5312241661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25571 + ... + 106199.

It is an arithmetic number, because the mean of its divisors is an integer number (796906605).

Almost surely, 2^5312241665 is an apocalyptic number.

It is an amenable number.

5312241665 is a deficient number, since it is larger than the sum of its proper divisors (1063011175).

5312241665 is a wasteful number, since it uses less digits than its factorization.

5312241665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93811.

The product of its digits is 43200, while the sum is 35.

The square root of 5312241665 is about 72885.1265005419. The cubic root of 5312241665 is about 1744.8547280152.

The spelling of 5312241665 in words is "five billion, three hundred twelve million, two hundred forty-one thousand, six hundred sixty-five".