196268543 has 2 divisors, whose sum is σ = 196268544. Its totient is φ = 196268542.

The previous prime is 196268521. The next prime is 196268629. The reversal of 196268543 is 345862691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196268543 - 2¹² = 196264447 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 196268494 and 196268503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196268243) 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, 98134271 + 98134272.

It is an arithmetic number, because the mean of its divisors is an integer number (98134272).

Almost surely, 2^196268543 is an apocalyptic number.

196268543 is a deficient number, since it is larger than the sum of its proper divisors (1).

196268543 is an equidigital number, since it uses as much as digits as its factorization.

196268543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 196268543 is about 14009.5875385395. The cubic root of 196268543 is about 581.1437428920.

The spelling of 196268543 in words is "one hundred ninety-six million, two hundred sixty-eight thousand, five hundred forty-three".