196523741 has 2 divisors, whose sum is σ = 196523742. Its totient is φ = 196523740.

The previous prime is 196523693. The next prime is 196523759. The reversal of 196523741 is 147325691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165765625 + 30758116 = 12875^2 + 5546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196523741 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196523695 and 196523704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196523771) 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, 98261870 + 98261871.

It is an arithmetic number, because the mean of its divisors is an integer number (98261871).

Almost surely, 2^196523741 is an apocalyptic number.

It is an amenable number.

196523741 is a deficient number, since it is larger than the sum of its proper divisors (1).

196523741 is an equidigital number, since it uses as much as digits as its factorization.

196523741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 196523741 is about 14018.6925567258. The cubic root of 196523741 is about 581.3955110162.

The spelling of 196523741 in words is "one hundred ninety-six million, five hundred twenty-three thousand, seven hundred forty-one".