197483213 has 2 divisors, whose sum is σ = 197483214. Its totient is φ = 197483212.

The previous prime is 197483161. The next prime is 197483233. The reversal of 197483213 is 312384791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144528484 + 52954729 = 12022^2 + 7277^2 .

It is an emirp because it is prime and its reverse (312384791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197483213 - 2⁶ = 197483149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197483233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98741606 + 98741607.

It is an arithmetic number, because the mean of its divisors is an integer number (98741607).

Almost surely, 2^197483213 is an apocalyptic number.

It is an amenable number.

197483213 is a deficient number, since it is larger than the sum of its proper divisors (1).

197483213 is an equidigital number, since it uses as much as digits as its factorization.

197483213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 197483213 is about 14052.8720552064. The cubic root of 197483213 is about 582.3401421750.

The spelling of 197483213 in words is "one hundred ninety-seven million, four hundred eighty-three thousand, two hundred thirteen".