52543200961 has 2 divisors, whose sum is σ = 52543200962. Its totient is φ = 52543200960.

The previous prime is 52543200953. The next prime is 52543200973. The reversal of 52543200961 is 16900234525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52141439025 + 401761936 = 228345^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 52543200961 - 2³ = 52543200953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52543200961.

It is not a weakly prime, because it can be changed into another prime (52543200901) 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, 26271600480 + 26271600481.

It is an arithmetic number, because the mean of its divisors is an integer number (26271600481).

Almost surely, 2^52543200961 is an apocalyptic number.

It is an amenable number.

52543200961 is a deficient number, since it is larger than the sum of its proper divisors (1).

52543200961 is an equidigital number, since it uses as much as digits as its factorization.

52543200961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 52543200961 in words is "fifty-two billion, five hundred forty-three million, two hundred thousand, nine hundred sixty-one".