630525027 has 32 divisors (see below), whose sum is σ = 949616640. Its totient is φ = 368676000.

The previous prime is 630525023. The next prime is 630525061. The reversal of 630525027 is 720525036.

It is not a de Polignac number, because 630525027 - 2² = 630525023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630524985 and 630525003.

It is not an unprimeable number, because it can be changed into a prime (630525023) 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 31 ways as a sum of consecutive naturals, for example, 427902 + ... + 429372.

It is an arithmetic number, because the mean of its divisors is an integer number (29675520).

Almost surely, 2^630525027 is an apocalyptic number.

630525027 is a deficient number, since it is larger than the sum of its proper divisors (319091613).

630525027 is a wasteful number, since it uses less digits than its factorization.

630525027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 630525027 is about 25110.2574060881. The cubic root of 630525027 is about 857.4999626573.

Subtracting 630525027 from its reverse (720525036), we obtain a palindrome (90000009).

The spelling of 630525027 in words is "six hundred thirty million, five hundred twenty-five thousand, twenty-seven".