196066249 has 2 divisors, whose sum is σ = 196066250. Its totient is φ = 196066248.

The previous prime is 196066217. The next prime is 196066309. The reversal of 196066249 is 942660691.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122655625 + 73410624 = 11075^2 + 8568^2 .

It is a cyclic number.

It is not a de Polignac number, because 196066249 - 2⁵ = 196066217 is a prime.

It is not a weakly prime, because it can be changed into another prime (196066349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98033124 + 98033125.

It is an arithmetic number, because the mean of its divisors is an integer number (98033125).

Almost surely, 2^196066249 is an apocalyptic number.

It is an amenable number.

196066249 is a deficient number, since it is larger than the sum of its proper divisors (1).

196066249 is an equidigital number, since it uses as much as digits as its factorization.

196066249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 196066249 is about 14002.3658358150. The cubic root of 196066249 is about 580.9440126245.

The spelling of 196066249 in words is "one hundred ninety-six million, sixty-six thousand, two hundred forty-nine".