52343240321 has 2 divisors, whose sum is σ = 52343240322. Its totient is φ = 52343240320.

The previous prime is 52343240317. The next prime is 52343240333. The reversal of 52343240321 is 12304234325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31600039696 + 20743200625 = 177764^2 + 144025^2 .

It is a cyclic number.

It is not a de Polignac number, because 52343240321 - 2² = 52343240317 is a prime.

It is not a weakly prime, because it can be changed into another prime (52343240221) 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, 26171620160 + 26171620161.

It is an arithmetic number, because the mean of its divisors is an integer number (26171620161).

Almost surely, 2^52343240321 is an apocalyptic number.

It is an amenable number.

52343240321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52343240321 is an equidigital number, since it uses as much as digits as its factorization.

52343240321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 52343240321 its reverse (12304234325), we get a palindrome (64647474646).

The spelling of 52343240321 in words is "fifty-two billion, three hundred forty-three million, two hundred forty thousand, three hundred twenty-one".