198481267 has 2 divisors, whose sum is σ = 198481268. Its totient is φ = 198481266.

The previous prime is 198481229. The next prime is 198481271. The reversal of 198481267 is 762184891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198481267 - 2¹⁵ = 198448499 is a prime.

It is not a weakly prime, because it can be changed into another prime (198481567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99240633 + 99240634.

It is an arithmetic number, because the mean of its divisors is an integer number (99240634).

Almost surely, 2^198481267 is an apocalyptic number.

198481267 is a deficient number, since it is larger than the sum of its proper divisors (1).

198481267 is an equidigital number, since it uses as much as digits as its factorization.

198481267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 46.

The square root of 198481267 is about 14088.3379786262. The cubic root of 198481267 is about 583.3195174596.

It can be divided in two parts, 19848 and 1267, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 198481267 in words is "one hundred ninety-eight million, four hundred eighty-one thousand, two hundred sixty-seven".