630342225 has 36 divisors (see below), whose sum is σ = 1144508716. Its totient is φ = 331568640.

The previous prime is 630342221. The next prime is 630342257. The reversal of 630342225 is 522243036.

630342225 is a `hidden beast` number, since 630 + 3 + 4 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 135769104 + 494573121 = 11652^2 + 22239^2 .

It is not a de Polignac number, because 630342225 - 2² = 630342221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2764 + ... + 35613.

Almost surely, 2^630342225 is an apocalyptic number.

It is an amenable number.

630342225 is a deficient number, since it is larger than the sum of its proper divisors (514166491).

630342225 is a wasteful number, since it uses less digits than its factorization.

630342225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38466 (or 38458 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 630342225 is about 25106.6171556425. The cubic root of 630342225 is about 857.4170857677.

The spelling of 630342225 in words is "six hundred thirty million, three hundred forty-two thousand, two hundred twenty-five".