196296521 has 2 divisors, whose sum is σ = 196296522. Its totient is φ = 196296520.

The previous prime is 196296511. The next prime is 196296539. The reversal of 196296521 is 125692691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124657225 + 71639296 = 11165^2 + 8464^2 .

It is an emirp because it is prime and its reverse (125692691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196296521 - 2²⁶ = 129187657 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (196296511) 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, 98148260 + 98148261.

It is an arithmetic number, because the mean of its divisors is an integer number (98148261).

Almost surely, 2^196296521 is an apocalyptic number.

It is an amenable number.

196296521 is a deficient number, since it is larger than the sum of its proper divisors (1).

196296521 is an equidigital number, since it uses as much as digits as its factorization.

196296521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The square root of 196296521 is about 14010.5860334249. The cubic root of 196296521 is about 581.1713555138.

The spelling of 196296521 in words is "one hundred ninety-six million, two hundred ninety-six thousand, five hundred twenty-one".