199091325 has 24 divisors (see below), whose sum is σ = 329680288. Its totient is φ = 106015680.

The previous prime is 199091323. The next prime is 199091327. The reversal of 199091325 is 523190991.

It is an interprime number because it is at equal distance from previous prime (199091323) and next prime (199091327).

It is not a de Polignac number, because 199091325 - 2¹ = 199091323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199091323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57339 + ... + 60711.

Almost surely, 2^199091325 is an apocalyptic number.

199091325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199091325 is a deficient number, since it is larger than the sum of its proper divisors (130588963).

199091325 is a wasteful number, since it uses less digits than its factorization.

199091325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 199091325 is about 14109.9725371809. The cubic root of 199091325 is about 583.9165423445.

The spelling of 199091325 in words is "one hundred ninety-nine million, ninety-one thousand, three hundred twenty-five".