52231221541 has 2 divisors, whose sum is σ = 52231221542. Its totient is φ = 52231221540.

The previous prime is 52231221527. The next prime is 52231221607. The reversal of 52231221541 is 14512213225.

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., 48997593316 + 3233628225 = 221354^2 + 56865^2 .

It is a cyclic number.

It is not a de Polignac number, because 52231221541 - 2¹¹ = 52231219493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52231221941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26115610770 + 26115610771.

It is an arithmetic number, because the mean of its divisors is an integer number (26115610771).

Almost surely, 2^52231221541 is an apocalyptic number.

It is an amenable number.

52231221541 is a deficient number, since it is larger than the sum of its proper divisors (1).

52231221541 is an equidigital number, since it uses as much as digits as its factorization.

52231221541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

Adding to 52231221541 its reverse (14512213225), we get a palindrome (66743434766).

The spelling of 52231221541 in words is "fifty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, five hundred forty-one".