198002041 has 2 divisors, whose sum is σ = 198002042. Its totient is φ = 198002040.

The previous prime is 198002029. The next prime is 198002069. The reversal of 198002041 is 140200891.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168896016 + 29106025 = 12996^2 + 5395^2 .

It is an emirp because it is prime and its reverse (140200891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198002041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198001997 and 198002015.

It is not a weakly prime, because it can be changed into another prime (198002071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99001020 + 99001021.

It is an arithmetic number, because the mean of its divisors is an integer number (99001021).

Almost surely, 2^198002041 is an apocalyptic number.

It is an amenable number.

198002041 is a deficient number, since it is larger than the sum of its proper divisors (1).

198002041 is an equidigital number, since it uses as much as digits as its factorization.

198002041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 198002041 is about 14071.3198030604. The cubic root of 198002041 is about 582.8496709986.

The spelling of 198002041 in words is "one hundred ninety-eight million, two thousand, forty-one".