198535411 has 2 divisors, whose sum is σ = 198535412. Its totient is φ = 198535410.

The previous prime is 198535321. The next prime is 198535499. The reversal of 198535411 is 114535891.

It is a strong prime.

It is an emirp because it is prime and its reverse (114535891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198535411 is a prime.

It is not a weakly prime, because it can be changed into another prime (198535511) 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, 99267705 + 99267706.

It is an arithmetic number, because the mean of its divisors is an integer number (99267706).

Almost surely, 2^198535411 is an apocalyptic number.

198535411 is a deficient number, since it is larger than the sum of its proper divisors (1).

198535411 is an equidigital number, since it uses as much as digits as its factorization.

198535411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 37.

The square root of 198535411 is about 14090.2594369302. The cubic root of 198535411 is about 583.3725541702.

The spelling of 198535411 in words is "one hundred ninety-eight million, five hundred thirty-five thousand, four hundred eleven".