630325206 has 64 divisors (see below), whose sum is σ = 1617423360. Its totient is φ = 178225920.

The previous prime is 630325183. The next prime is 630325207. The reversal of 630325206 is 602523036.

630325206 is a `hidden beast` number, since 630 + 3 + 2 + 5 + 20 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 630325206.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 28071 + ... + 45261.

It is an arithmetic number, because the mean of its divisors is an integer number (25272240).

Almost surely, 2^630325206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630325206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808711680).

630325206 is an abundant number, since it is smaller than the sum of its proper divisors (987098154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630325206 is a wasteful number, since it uses less digits than its factorization.

630325206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17306 (or 17300 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 630325206 is about 25106.2782188042. The cubic root of 630325206 is about 857.4093690533.

The spelling of 630325206 in words is "six hundred thirty million, three hundred twenty-five thousand, two hundred six".