5212432321 has 2 divisors, whose sum is σ = 5212432322. Its totient is φ = 5212432320.

The previous prime is 5212432319. The next prime is 5212432333. The reversal of 5212432321 is 1232342125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3042735921 + 2169696400 = 55161^2 + 46580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212432321 - 2¹ = 5212432319 is a prime.

Together with 5212432319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5212432361) by changing a digit.

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 as a sum of consecutive naturals, namely, 2606216160 + 2606216161.

It is an arithmetic number, because the mean of its divisors is an integer number (2606216161).

Almost surely, 2^5212432321 is an apocalyptic number.

It is an amenable number.

5212432321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212432321 is an equidigital number, since it uses as much as digits as its factorization.

5212432321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 5212432321 is about 72197.1766830255. The cubic root of 5212432321 is about 1733.8577993263.

Adding to 5212432321 its reverse (1232342125), we get a palindrome (6444774446).

The spelling of 5212432321 in words is "five billion, two hundred twelve million, four hundred thirty-two thousand, three hundred twenty-one".