196834213 has 2 divisors, whose sum is σ = 196834214. Its totient is φ = 196834212.

The previous prime is 196834201. The next prime is 196834219. The reversal of 196834213 is 312438691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138815524 + 58018689 = 11782^2 + 7617^2 .

It is an emirp because it is prime and its reverse (312438691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196834213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196834219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98417106 + 98417107.

It is an arithmetic number, because the mean of its divisors is an integer number (98417107).

Almost surely, 2^196834213 is an apocalyptic number.

It is an amenable number.

196834213 is a deficient number, since it is larger than the sum of its proper divisors (1).

196834213 is an equidigital number, since it uses as much as digits as its factorization.

196834213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 196834213 is about 14029.7616872134. The cubic root of 196834213 is about 581.7015165457.

The spelling of 196834213 in words is "one hundred ninety-six million, eight hundred thirty-four thousand, two hundred thirteen".