630032516 has 6 divisors (see below), whose sum is σ = 1102556910. Its totient is φ = 315016256.

The previous prime is 630032489. The next prime is 630032519. The reversal of 630032516 is 615230036.

It can be written as a sum of positive squares in only one way, i.e., 418038916 + 211993600 = 20446^2 + 14560^2 .

It is not an unprimeable number, because it can be changed into a prime (630032519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78754061 + ... + 78754068.

It is an arithmetic number, because the mean of its divisors is an integer number (183759485).

Almost surely, 2^630032516 is an apocalyptic number.

It is an amenable number.

630032516 is a deficient number, since it is larger than the sum of its proper divisors (472524394).

630032516 is a wasteful number, since it uses less digits than its factorization.

630032516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157508133 (or 157508131 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 630032516 is about 25100.4485218890. The cubic root of 630032516 is about 857.2766365107.

The spelling of 630032516 in words is "six hundred thirty million, thirty-two thousand, five hundred sixteen".