630005650 has 24 divisors (see below), whose sum is σ = 1222761024. Its totient is φ = 241045200.

The previous prime is 630005573. The next prime is 630005681. The reversal of 630005650 is 56500036.

630005650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272766 + ... + 275065.

It is an arithmetic number, because the mean of its divisors is an integer number (50948376).

Almost surely, 2^630005650 is an apocalyptic number.

630005650 is a deficient number, since it is larger than the sum of its proper divisors (592755374).

630005650 is a wasteful number, since it uses less digits than its factorization.

630005650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547866 (or 547861 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 630005650 is about 25099.9133464640. The cubic root of 630005650 is about 857.2644509378.

Adding to 630005650 its reverse (56500036), we get a palindrome (686505686).

The spelling of 630005650 in words is "six hundred thirty million, five thousand, six hundred fifty".