197368013 has 2 divisors, whose sum is σ = 197368014. Its totient is φ = 197368012.

The previous prime is 197367967. The next prime is 197368019. The reversal of 197368013 is 310863791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153834409 + 43533604 = 12403^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 197368013 - 2⁶ = 197367949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197368019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98684006 + 98684007.

It is an arithmetic number, because the mean of its divisors is an integer number (98684007).

Almost surely, 2^197368013 is an apocalyptic number.

It is an amenable number.

197368013 is a deficient number, since it is larger than the sum of its proper divisors (1).

197368013 is an equidigital number, since it uses as much as digits as its factorization.

197368013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 197368013 is about 14048.7726510183. The cubic root of 197368013 is about 582.2268859102.

The spelling of 197368013 in words is "one hundred ninety-seven million, three hundred sixty-eight thousand, thirteen".