198683113 has 2 divisors, whose sum is σ = 198683114. Its totient is φ = 198683112.

The previous prime is 198683083. The next prime is 198683117. The reversal of 198683113 is 311386891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174160809 + 24522304 = 13197^2 + 4952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198683113 is a prime.

It is not a weakly prime, because it can be changed into another prime (198683117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99341556 + 99341557.

It is an arithmetic number, because the mean of its divisors is an integer number (99341557).

Almost surely, 2^198683113 is an apocalyptic number.

It is an amenable number.

198683113 is a deficient number, since it is larger than the sum of its proper divisors (1).

198683113 is an equidigital number, since it uses as much as digits as its factorization.

198683113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 198683113 is about 14095.4997428257. The cubic root of 198683113 is about 583.5171865284.

The spelling of 198683113 in words is "one hundred ninety-eight million, six hundred eighty-three thousand, one hundred thirteen".