630530330 has 8 divisors (see below), whose sum is σ = 1134954612. Its totient is φ = 252212128.

The previous prime is 630530321. The next prime is 630530353. The reversal of 630530330 is 33035036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 509991889 + 120538441 = 22583^2 + 10979^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 630530296 and 630530305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31526507 + ... + 31526526.

Almost surely, 2^630530330 is an apocalyptic number.

630530330 is a deficient number, since it is larger than the sum of its proper divisors (504424282).

630530330 is a wasteful number, since it uses less digits than its factorization.

630530330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63053040.

The product of its (nonzero) digits is 2430, while the sum is 23.

The square root of 630530330 is about 25110.3630001639. The cubic root of 630530330 is about 857.5023666378.

Adding to 630530330 its reverse (33035036), we get a palindrome (663565366).

The spelling of 630530330 in words is "six hundred thirty million, five hundred thirty thousand, three hundred thirty".