197045099 has 2 divisors, whose sum is σ = 197045100. Its totient is φ = 197045098.

The previous prime is 197045089. The next prime is 197045119. The reversal of 197045099 is 990540791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197045099 - 2¹² = 197041003 is a prime.

It is not a weakly prime, because it can be changed into another prime (197045089) 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, 98522549 + 98522550.

It is an arithmetic number, because the mean of its divisors is an integer number (98522550).

Almost surely, 2^197045099 is an apocalyptic number.

197045099 is a deficient number, since it is larger than the sum of its proper divisors (1).

197045099 is an equidigital number, since it uses as much as digits as its factorization.

197045099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 197045099 is about 14037.2753410340. The cubic root of 197045099 is about 581.9091852570.

The spelling of 197045099 in words is "one hundred ninety-seven million, forty-five thousand, ninety-nine".