198142883 has 2 divisors, whose sum is σ = 198142884. Its totient is φ = 198142882.

The previous prime is 198142799. The next prime is 198142909. The reversal of 198142883 is 388241891.

It is a strong prime.

It is an emirp because it is prime and its reverse (388241891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198142883 is a prime.

It is a super-3 number, since 3×198142883³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (198142283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99071441 + 99071442.

It is an arithmetic number, because the mean of its divisors is an integer number (99071442).

Almost surely, 2^198142883 is an apocalyptic number.

198142883 is a deficient number, since it is larger than the sum of its proper divisors (1).

198142883 is an equidigital number, since it uses as much as digits as its factorization.

198142883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 198142883 is about 14076.3234901731. The cubic root of 198142883 is about 582.9878349904.

The spelling of 198142883 in words is "one hundred ninety-eight million, one hundred forty-two thousand, eight hundred eighty-three".