630713025 has 36 divisors (see below), whose sum is σ = 1168643580. Its totient is φ = 324777600.

The previous prime is 630712939. The next prime is 630713029. The reversal of 630713025 is 520317036.

It is a happy number.

630713025 is a `hidden beast` number, since 630 + 7 + 1 + 3 + 0 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4562496 + 626150529 = 2136^2 + 25023^2 .

It is not a de Polignac number, because 630713025 - 2⁷ = 630712897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630713025.

It is not an unprimeable number, because it can be changed into a prime (630713029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41806 + ... + 54855.

Almost surely, 2^630713025 is an apocalyptic number.

It is an amenable number.

630713025 is a deficient number, since it is larger than the sum of its proper divisors (537930555).

630713025 is a wasteful number, since it uses less digits than its factorization.

630713025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96706 (or 96698 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 630713025 is about 25114.0005773672. Note that the first 3 decimals coincide. The cubic root of 630713025 is about 857.5851785497.

The spelling of 630713025 in words is "six hundred thirty million, seven hundred thirteen thousand, twenty-five".