630716825 has 12 divisors (see below), whose sum is σ = 783439440. Its totient is φ = 503702160.

The previous prime is 630716797. The next prime is 630716843. The reversal of 630716825 is 528617036.

It is not a de Polignac number, because 630716825 - 2¹² = 630712729 is a prime.

It is a Curzon number.

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, 6815 + ... + 36164.

It is an arithmetic number, because the mean of its divisors is an integer number (65286620).

Almost surely, 2^630716825 is an apocalyptic number.

It is an amenable number.

630716825 is a deficient number, since it is larger than the sum of its proper divisors (152722615).

630716825 is a wasteful number, since it uses less digits than its factorization.

630716825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43576 (or 43571 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 630716825 is about 25114.0762322646. The cubic root of 630716825 is about 857.5869008423.

It can be divided in two parts, 63071 and 6825, that added together give a palindrome (69896).

The spelling of 630716825 in words is "six hundred thirty million, seven hundred sixteen thousand, eight hundred twenty-five".