630325209 has 8 divisors (see below), whose sum is σ = 884667040. Its totient is φ = 398100096.

The previous prime is 630325207. The next prime is 630325217. The reversal of 630325209 is 902523036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630325209 - 2¹ = 630325207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630325207) 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 7 ways as a sum of consecutive naturals, for example, 5529112 + ... + 5529225.

It is an arithmetic number, because the mean of its divisors is an integer number (110583380).

Almost surely, 2^630325209 is an apocalyptic number.

It is an amenable number.

630325209 is a deficient number, since it is larger than the sum of its proper divisors (254341831).

630325209 is a wasteful number, since it uses less digits than its factorization.

630325209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058359.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 630325209 is about 25106.2782785502. The cubic root of 630325209 is about 857.4093704135.

The spelling of 630325209 in words is "six hundred thirty million, three hundred twenty-five thousand, two hundred nine".