197483729 has 2 divisors, whose sum is σ = 197483730. Its totient is φ = 197483728.

The previous prime is 197483687. The next prime is 197483749. The reversal of 197483729 is 927384791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100500625 + 96983104 = 10025^2 + 9848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197483729 is a prime.

It is not a weakly prime, because it can be changed into another prime (197483749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98741864 + 98741865.

It is an arithmetic number, because the mean of its divisors is an integer number (98741865).

Almost surely, 2^197483729 is an apocalyptic number.

It is an amenable number.

197483729 is a deficient number, since it is larger than the sum of its proper divisors (1).

197483729 is an equidigital number, since it uses as much as digits as its factorization.

197483729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 197483729 is about 14052.8904144308. The cubic root of 197483729 is about 582.3406493695.

The spelling of 197483729 in words is "one hundred ninety-seven million, four hundred eighty-three thousand, seven hundred twenty-nine".