198093525 has 72 divisors (see below), whose sum is σ = 401179680. Its totient is φ = 85760640.

The previous prime is 198093517. The next prime is 198093529. The reversal of 198093525 is 525390891.

It is not a de Polignac number, because 198093525 - 2³ = 198093517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198093529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 68407 + ... + 71243.

It is an arithmetic number, because the mean of its divisors is an integer number (5571940).

Almost surely, 2^198093525 is an apocalyptic number.

198093525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198093525 is an abundant number, since it is smaller than the sum of its proper divisors (203086155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198093525 is a wasteful number, since it uses less digits than its factorization.

198093525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 198093525 is about 14074.5701532942. The cubic root of 198093525 is about 582.9394229510.

The spelling of 198093525 in words is "one hundred ninety-eight million, ninety-three thousand, five hundred twenty-five".