196315853 has 2 divisors, whose sum is σ = 196315854. Its totient is φ = 196315852.

The previous prime is 196315849. The next prime is 196315871. The reversal of 196315853 is 358513691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 93354244 = 10147^2 + 9662^2 .

It is an emirp because it is prime and its reverse (358513691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196315853 - 2² = 196315849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196315853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196315843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98157926 + 98157927.

It is an arithmetic number, because the mean of its divisors is an integer number (98157927).

Almost surely, 2^196315853 is an apocalyptic number.

It is an amenable number.

196315853 is a deficient number, since it is larger than the sum of its proper divisors (1).

196315853 is an equidigital number, since it uses as much as digits as its factorization.

196315853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 196315853 is about 14011.2759233412. The cubic root of 196315853 is about 581.1904335151.

The spelling of 196315853 in words is "one hundred ninety-six million, three hundred fifteen thousand, eight hundred fifty-three".