199630325 has 12 divisors (see below), whose sum is σ = 248253828. Its totient is φ = 159244800.

The previous prime is 199630313. The next prime is 199630373. The reversal of 199630325 is 523036991.

It can be written as a sum of positive squares in 6 ways, for example, as 3378244 + 196252081 = 1838^2 + 14009^2 .

It is not a de Polignac number, because 199630325 - 2⁶ = 199630261 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2486 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (20687819).

Almost surely, 2^199630325 is an apocalyptic number.

It is an amenable number.

199630325 is a deficient number, since it is larger than the sum of its proper divisors (48623503).

199630325 is a wasteful number, since it uses less digits than its factorization.

199630325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984 (or 22979 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 199630325 is about 14129.0595936177. The cubic root of 199630325 is about 584.4430133313.

The spelling of 199630325 in words is "one hundred ninety-nine million, six hundred thirty thousand, three hundred twenty-five".