630048530 has 8 divisors (see below), whose sum is σ = 1134087372. Its totient is φ = 252019408.

The previous prime is 630048487. The next prime is 630048539. The reversal of 630048530 is 35840036.

It can be written as a sum of positive squares in 2 ways, for example, as 615585721 + 14462809 = 24811^2 + 3803^2 .

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

It is a super-2 number, since 2×630048530² = 793922300310321800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630048493 and 630048502.

It is not an unprimeable number, because it can be changed into a prime (630048539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31502417 + ... + 31502436.

Almost surely, 2^630048530 is an apocalyptic number.

630048530 is a deficient number, since it is larger than the sum of its proper divisors (504038842).

630048530 is a wasteful number, since it uses less digits than its factorization.

630048530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63004860.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 630048530 is about 25100.7675181457. The cubic root of 630048530 is about 857.2838997928.

Adding to 630048530 its reverse (35840036), we get a palindrome (665888566).

The spelling of 630048530 in words is "six hundred thirty million, forty-eight thousand, five hundred thirty".