5172312241 has 8 divisors (see below), whose sum is σ = 5270970024. Its totient is φ = 5073694080.

The previous prime is 5172312227. The next prime is 5172312247. The reversal of 5172312241 is 1422132715.

It can be written as a sum of positive squares in 4 ways, for example, as 1076824225 + 4095488016 = 32815^2 + 63996^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5172312241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172312247) 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, 515331 + ... + 525271.

It is an arithmetic number, because the mean of its divisors is an integer number (658871253).

Almost surely, 2^5172312241 is an apocalyptic number.

It is an amenable number.

5172312241 is a deficient number, since it is larger than the sum of its proper divisors (98657783).

5172312241 is an equidigital number, since it uses as much as digits as its factorization.

5172312241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19811.

The product of its digits is 3360, while the sum is 28.

The square root of 5172312241 is about 71918.7892069937. The cubic root of 5172312241 is about 1729.3978370280.

Adding to 5172312241 its reverse (1422132715), we get a palindrome (6594444956).

The spelling of 5172312241 in words is "five billion, one hundred seventy-two million, three hundred twelve thousand, two hundred forty-one".