198250133825 has 12 divisors (see below), whose sum is σ = 252474225660. Its totient is φ = 154313616960.

The previous prime is 198250133801. The next prime is 198250133869. The reversal of 198250133825 is 528331052891.

It can be written as a sum of positive squares in 6 ways, for example, as 790321 + 198249343504 = 889^2 + 445252^2 .

It is not a de Polignac number, because 198250133825 - 2²⁶ = 198183024961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198250133825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107161310 + ... + 107163159.

It is an arithmetic number, because the mean of its divisors is an integer number (21039518805).

Almost surely, 2^198250133825 is an apocalyptic number.

It is an amenable number.

198250133825 is a deficient number, since it is larger than the sum of its proper divisors (54224091835).

198250133825 is a wasteful number, since it uses less digits than its factorization.

198250133825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214324516 (or 214324511 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 198250133825 in words is "one hundred ninety-eight billion, two hundred fifty million, one hundred thirty-three thousand, eight hundred twenty-five".