198314825 has 6 divisors (see below), whose sum is σ = 245910414. Its totient is φ = 158651840.

The previous prime is 198314807. The next prime is 198314833. The reversal of 198314825 is 528413891.

It can be written as a sum of positive squares in 3 ways, for example, as 659344 + 197655481 = 812^2 + 14059^2 .

It is a de Polignac number, because none of the positive numbers 2^k-198314825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3966272 + ... + 3966321.

It is an arithmetic number, because the mean of its divisors is an integer number (40985069).

Almost surely, 2^198314825 is an apocalyptic number.

It is an amenable number.

198314825 is a deficient number, since it is larger than the sum of its proper divisors (47595589).

198314825 is an equidigital number, since it uses as much as digits as its factorization.

198314825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932603 (or 7932598 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 198314825 is about 14082.4296554252. The cubic root of 198314825 is about 583.1564189128.

The spelling of 198314825 in words is "one hundred ninety-eight million, three hundred fourteen thousand, eight hundred twenty-five".