198952133 has 2 divisors, whose sum is σ = 198952134. Its totient is φ = 198952132.

The previous prime is 198952129. The next prime is 198952147. The reversal of 198952133 is 331259891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190384804 + 8567329 = 13798^2 + 2927^2 .

It is an emirp because it is prime and its reverse (331259891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198952133 - 2² = 198952129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198952163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99476066 + 99476067.

It is an arithmetic number, because the mean of its divisors is an integer number (99476067).

Almost surely, 2^198952133 is an apocalyptic number.

It is an amenable number.

198952133 is a deficient number, since it is larger than the sum of its proper divisors (1).

198952133 is an equidigital number, since it uses as much as digits as its factorization.

198952133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 198952133 is about 14105.0392767975. The cubic root of 198952133 is about 583.7804315089.

The spelling of 198952133 in words is "one hundred ninety-eight million, nine hundred fifty-two thousand, one hundred thirty-three".