630224971 has 4 divisors (see below), whose sum is σ = 636115032. Its totient is φ = 624334912.

The previous prime is 630224963. The next prime is 630224989. The reversal of 630224971 is 179422036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630224971 - 2³ = 630224963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630224921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944870 + ... + 2945083.

It is an arithmetic number, because the mean of its divisors is an integer number (159028758).

Almost surely, 2^630224971 is an apocalyptic number.

630224971 is a deficient number, since it is larger than the sum of its proper divisors (5890061).

630224971 is a wasteful number, since it uses less digits than its factorization.

630224971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890060.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 630224971 is about 25104.2819255999. The cubic root of 630224971 is about 857.3639179204.

The spelling of 630224971 in words is "six hundred thirty million, two hundred twenty-four thousand, nine hundred seventy-one".