198054625 has 8 divisors (see below), whose sum is σ = 247172328. Its totient is φ = 158443600.

The previous prime is 198054589. The next prime is 198054643. The reversal of 198054625 is 526450891.

198054625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19351201 + 178703424 = 4399^2 + 13368^2 .

It is not a de Polignac number, because 198054625 - 2⁷ = 198054497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792094 + ... + 792343.

It is an arithmetic number, because the mean of its divisors is an integer number (30896541).

Almost surely, 2^198054625 is an apocalyptic number.

It is an amenable number.

198054625 is a deficient number, since it is larger than the sum of its proper divisors (49117703).

198054625 is an equidigital number, since it uses as much as digits as its factorization.

198054625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584452 (or 1584442 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 198054625 is about 14073.1881604702. The cubic root of 198054625 is about 582.9012628141.

The spelling of 198054625 in words is "one hundred ninety-eight million, fifty-four thousand, six hundred twenty-five".