197203613 has 2 divisors, whose sum is σ = 197203614. Its totient is φ = 197203612.

The previous prime is 197203597. The next prime is 197203639. The reversal of 197203613 is 316302791.

It is a happy number.

197203613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129914404 + 67289209 = 11398^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 197203613 - 2⁴ = 197203597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197203613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197203313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98601806 + 98601807.

It is an arithmetic number, because the mean of its divisors is an integer number (98601807).

Almost surely, 2^197203613 is an apocalyptic number.

It is an amenable number.

197203613 is a deficient number, since it is larger than the sum of its proper divisors (1).

197203613 is an equidigital number, since it uses as much as digits as its factorization.

197203613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 197203613 is about 14042.9203871559. The cubic root of 197203613 is about 582.0651834347.

The spelling of 197203613 in words is "one hundred ninety-seven million, two hundred three thousand, six hundred thirteen".