198301273 has 2 divisors, whose sum is σ = 198301274. Its totient is φ = 198301272.

The previous prime is 198301267. The next prime is 198301283. The reversal of 198301273 is 372103891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109244304 + 89056969 = 10452^2 + 9437^2 .

It is an emirp because it is prime and its reverse (372103891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198301273 - 2¹⁷ = 198170201 is a prime.

It is not a weakly prime, because it can be changed into another prime (198301223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99150636 + 99150637.

It is an arithmetic number, because the mean of its divisors is an integer number (99150637).

Almost surely, 2^198301273 is an apocalyptic number.

It is an amenable number.

198301273 is a deficient number, since it is larger than the sum of its proper divisors (1).

198301273 is an equidigital number, since it uses as much as digits as its factorization.

198301273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 198301273 is about 14081.9484802353. The cubic root of 198301273 is about 583.1431351256.

The spelling of 198301273 in words is "one hundred ninety-eight million, three hundred one thousand, two hundred seventy-three".