196529447 has 2 divisors, whose sum is σ = 196529448. Its totient is φ = 196529446.

The previous prime is 196529423. The next prime is 196529449. The reversal of 196529447 is 744925691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196529447 is a prime.

Together with 196529449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196529449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98264723 + 98264724.

It is an arithmetic number, because the mean of its divisors is an integer number (98264724).

Almost surely, 2^196529447 is an apocalyptic number.

196529447 is a deficient number, since it is larger than the sum of its proper divisors (1).

196529447 is an equidigital number, since it uses as much as digits as its factorization.

196529447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 196529447 is about 14018.8960692346. The cubic root of 196529447 is about 581.4011378354.

The spelling of 196529447 in words is "one hundred ninety-six million, five hundred twenty-nine thousand, four hundred forty-seven".