52266197 has 2 divisors, whose sum is σ = 52266198. Its totient is φ = 52266196.

The previous prime is 52266161. The next prime is 52266223. The reversal of 52266197 is 79166225.

It is a happy number.

52266197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 2337841 = 7066^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 52266197 - 2⁶ = 52266133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52266197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52266107) 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, 26133098 + 26133099.

It is an arithmetic number, because the mean of its divisors is an integer number (26133099).

Almost surely, 2^52266197 is an apocalyptic number.

It is an amenable number.

52266197 is a deficient number, since it is larger than the sum of its proper divisors (1).

52266197 is an equidigital number, since it uses as much as digits as its factorization.

52266197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 52266197 is about 7229.5364305051. The cubic root of 52266197 is about 373.8869442947.

The spelling of 52266197 in words is "fifty-two million, two hundred sixty-six thousand, one hundred ninety-seven".