197565113 has 2 divisors, whose sum is σ = 197565114. Its totient is φ = 197565112.

The previous prime is 197565107. The next prime is 197565119. The reversal of 197565113 is 311565791.

It is a balanced prime because it is at equal distance from previous prime (197565107) and next prime (197565119).

It can be written as a sum of positive squares in only one way, i.e., 113145769 + 84419344 = 10637^2 + 9188^2 .

It is an emirp because it is prime and its reverse (311565791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197565113 - 2¹² = 197561017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (197565119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98782556 + 98782557.

It is an arithmetic number, because the mean of its divisors is an integer number (98782557).

Almost surely, 2^197565113 is an apocalyptic number.

It is an amenable number.

197565113 is a deficient number, since it is larger than the sum of its proper divisors (1).

197565113 is an equidigital number, since it uses as much as digits as its factorization.

197565113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 38.

The square root of 197565113 is about 14055.7857482248. The cubic root of 197565113 is about 582.4206335161.

The spelling of 197565113 in words is "one hundred ninety-seven million, five hundred sixty-five thousand, one hundred thirteen".