630093305 has 8 divisors (see below), whose sum is σ = 757999944. Its totient is φ = 502816000.

The previous prime is 630093293. The next prime is 630093307. The reversal of 630093305 is 503390036.

It can be written as a sum of positive squares in 4 ways, for example, as 180526096 + 449567209 = 13436^2 + 21203^2 .

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

It is not a de Polignac number, because 630093305 - 2⁶ = 630093241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630093307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155126 + ... + 159135.

It is an arithmetic number, because the mean of its divisors is an integer number (94749993).

Almost surely, 2^630093305 is an apocalyptic number.

It is an amenable number.

630093305 is a deficient number, since it is larger than the sum of its proper divisors (127906639).

630093305 is a wasteful number, since it uses less digits than its factorization.

630093305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314667.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 630093305 is about 25101.6594072982. The cubic root of 630093305 is about 857.3042072113.

The spelling of 630093305 in words is "six hundred thirty million, ninety-three thousand, three hundred five".