630495513 has 6 divisors (see below), whose sum is σ = 910715754. Its totient is φ = 420330336.

The previous prime is 630495497. The next prime is 630495529. The reversal of 630495513 is 315594036.

630495513 is a `hidden beast` number, since 63 + 0 + 49 + 551 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (630495497) and next prime (630495529).

It can be written as a sum of positive squares in only one way, i.e., 459330624 + 171164889 = 21432^2 + 13083^2 .

It is not a de Polignac number, because 630495513 - 2⁴ = 630495497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630495013) 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 5 ways as a sum of consecutive naturals, for example, 35027520 + ... + 35027537.

It is an arithmetic number, because the mean of its divisors is an integer number (151785959).

Almost surely, 2^630495513 is an apocalyptic number.

It is an amenable number.

630495513 is a deficient number, since it is larger than the sum of its proper divisors (280220241).

630495513 is a wasteful number, since it uses less digits than its factorization.

630495513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70055063 (or 70055060 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 630495513 is about 25109.6697110894. The cubic root of 630495513 is about 857.4865829881.

The spelling of 630495513 in words is "six hundred thirty million, four hundred ninety-five thousand, five hundred thirteen".