52194220297 has 2 divisors, whose sum is σ = 52194220298. Its totient is φ = 52194220296.

The previous prime is 52194220231. The next prime is 52194220319. The reversal of 52194220297 is 79202249125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50688469881 + 1505750416 = 225141^2 + 38804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52194220297 is a prime.

It is not a weakly prime, because it can be changed into another prime (52194220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26097110148 + 26097110149.

It is an arithmetic number, because the mean of its divisors is an integer number (26097110149).

Almost surely, 2^52194220297 is an apocalyptic number.

It is an amenable number.

52194220297 is a deficient number, since it is larger than the sum of its proper divisors (1).

52194220297 is an equidigital number, since it uses as much as digits as its factorization.

52194220297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 52194220297 in words is "fifty-two billion, one hundred ninety-four million, two hundred twenty thousand, two hundred ninety-seven".