196265197 has 2 divisors, whose sum is σ = 196265198. Its totient is φ = 196265196.

The previous prime is 196265191. The next prime is 196265219. The reversal of 196265197 is 791562691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153611236 + 42653961 = 12394^2 + 6531^2 .

It is an emirp because it is prime and its reverse (791562691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196265197 - 2³ = 196265189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196265191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98132598 + 98132599.

It is an arithmetic number, because the mean of its divisors is an integer number (98132599).

Almost surely, 2^196265197 is an apocalyptic number.

It is an amenable number.

196265197 is a deficient number, since it is larger than the sum of its proper divisors (1).

196265197 is an equidigital number, since it uses as much as digits as its factorization.

196265197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 196265197 is about 14009.4681198110. The cubic root of 196265197 is about 581.1404404134.

The spelling of 196265197 in words is "one hundred ninety-six million, two hundred sixty-five thousand, one hundred ninety-seven".