196042571 has 2 divisors, whose sum is σ = 196042572. Its totient is φ = 196042570.

The previous prime is 196042559. The next prime is 196042579. The reversal of 196042571 is 175240691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196042571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196042579) 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, 98021285 + 98021286.

It is an arithmetic number, because the mean of its divisors is an integer number (98021286).

Almost surely, 2^196042571 is an apocalyptic number.

196042571 is a deficient number, since it is larger than the sum of its proper divisors (1).

196042571 is an equidigital number, since it uses as much as digits as its factorization.

196042571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 196042571 is about 14001.5203103092. The cubic root of 196042571 is about 580.9206257231.

The spelling of 196042571 in words is "one hundred ninety-six million, forty-two thousand, five hundred seventy-one".