199929325 has 12 divisors (see below), whose sum is σ = 253960308. Its totient is φ = 156041600.

The previous prime is 199929311. The next prime is 199929349. The reversal of 199929325 is 523929991.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 71537764 + 128391561 = 8458^2 + 11331^2 .

It is not a de Polignac number, because 199929325 - 2⁵ = 199929293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 96502 + ... + 98551.

It is an arithmetic number, because the mean of its divisors is an integer number (21163359).

Almost surely, 2^199929325 is an apocalyptic number.

It is an amenable number.

199929325 is a deficient number, since it is larger than the sum of its proper divisors (54030983).

199929325 is a wasteful number, since it uses less digits than its factorization.

199929325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195104 (or 195099 counting only the distinct ones).

The product of its digits is 393660, while the sum is 49.

The square root of 199929325 is about 14139.6366643560. The cubic root of 199929325 is about 584.7346545424.

The spelling of 199929325 in words is "one hundred ninety-nine million, nine hundred twenty-nine thousand, three hundred twenty-five".