197063773 has 2 divisors, whose sum is σ = 197063774. Its totient is φ = 197063772.

The previous prime is 197063767. The next prime is 197063777. The reversal of 197063773 is 377360791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186650244 + 10413529 = 13662^2 + 3227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197063773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197063777) 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, 98531886 + 98531887.

It is an arithmetic number, because the mean of its divisors is an integer number (98531887).

Almost surely, 2^197063773 is an apocalyptic number.

It is an amenable number.

197063773 is a deficient number, since it is larger than the sum of its proper divisors (1).

197063773 is an equidigital number, since it uses as much as digits as its factorization.

197063773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 197063773 is about 14037.9404828486. The cubic root of 197063773 is about 581.9275672229.

The spelling of 197063773 in words is "one hundred ninety-seven million, sixty-three thousand, seven hundred seventy-three".