197335129 has 2 divisors, whose sum is σ = 197335130. Its totient is φ = 197335128.

The previous prime is 197335063. The next prime is 197335141. The reversal of 197335129 is 921533791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190302025 + 7033104 = 13795^2 + 2652^2 .

It is an emirp because it is prime and its reverse (921533791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197335129 - 2⁷ = 197335001 is a prime.

It is a super-3 number, since 3×197335129³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197335091 and 197335100.

It is not a weakly prime, because it can be changed into another prime (197335529) 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, 98667564 + 98667565.

It is an arithmetic number, because the mean of its divisors is an integer number (98667565).

Almost surely, 2^197335129 is an apocalyptic number.

It is an amenable number.

197335129 is a deficient number, since it is larger than the sum of its proper divisors (1).

197335129 is an equidigital number, since it uses as much as digits as its factorization.

197335129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 197335129 is about 14047.6022509181. The cubic root of 197335129 is about 582.1945486669.

The spelling of 197335129 in words is "one hundred ninety-seven million, three hundred thirty-five thousand, one hundred twenty-nine".