199328125 has 14 divisors (see below), whose sum is σ = 249176498. Its totient is φ = 159450000.

The previous prime is 199328123. The next prime is 199328141. The reversal of 199328125 is 521823991.

It can be written as a sum of positive squares in 7 ways, for example, as 199317924 + 10201 = 14118^2 + 101^2 .

It is not a de Polignac number, because 199328125 - 2¹ = 199328123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199328123) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 9247 + ... + 22003.

Almost surely, 2^199328125 is an apocalyptic number.

It is an amenable number.

199328125 is a deficient number, since it is larger than the sum of its proper divisors (49848373).

199328125 is an frugal number, since it uses more digits than its factorization.

199328125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12762 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 199328125 is about 14118.3612717624. The cubic root of 199328125 is about 584.1479548269.

The spelling of 199328125 in words is "one hundred ninety-nine million, three hundred twenty-eight thousand, one hundred twenty-five".