52571352161 has 2 divisors, whose sum is σ = 52571352162. Its totient is φ = 52571352160.

The previous prime is 52571352133. The next prime is 52571352181. The reversal of 52571352161 is 16125317525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52403908561 + 167443600 = 228919^2 + 12940^2 .

It is a cyclic number.

It is not a de Polignac number, because 52571352161 - 2¹⁴ = 52571335777 is a prime.

It is not a weakly prime, because it can be changed into another prime (52571352101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26285676080 + 26285676081.

It is an arithmetic number, because the mean of its divisors is an integer number (26285676081).

Almost surely, 2^52571352161 is an apocalyptic number.

It is an amenable number.

52571352161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52571352161 is an equidigital number, since it uses as much as digits as its factorization.

52571352161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 38.

Adding to 52571352161 its reverse (16125317525), we get a palindrome (68696669686).

The spelling of 52571352161 in words is "fifty-two billion, five hundred seventy-one million, three hundred fifty-two thousand, one hundred sixty-one".