197493337 has 2 divisors, whose sum is σ = 197493338. Its totient is φ = 197493336.

The previous prime is 197493319. The next prime is 197493347. The reversal of 197493337 is 733394791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104775696 + 92717641 = 10236^2 + 9629^2 .

It is an emirp because it is prime and its reverse (733394791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197493337 - 2⁷ = 197493209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197493347) 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, 98746668 + 98746669.

It is an arithmetic number, because the mean of its divisors is an integer number (98746669).

Almost surely, 2^197493337 is an apocalyptic number.

It is an amenable number.

197493337 is a deficient number, since it is larger than the sum of its proper divisors (1).

197493337 is an equidigital number, since it uses as much as digits as its factorization.

197493337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 197493337 is about 14053.2322616543. The cubic root of 197493337 is about 582.3500932501.

The spelling of 197493337 in words is "one hundred ninety-seven million, four hundred ninety-three thousand, three hundred thirty-seven".