630584677 has 2 divisors, whose sum is σ = 630584678. Its totient is φ = 630584676.

The previous prime is 630584663. The next prime is 630584687. The reversal of 630584677 is 776485036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604717281 + 25867396 = 24591^2 + 5086^2 .

It is a cyclic number.

It is not a de Polignac number, because 630584677 - 2¹¹ = 630582629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630584657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315292338 + 315292339.

It is an arithmetic number, because the mean of its divisors is an integer number (315292339).

Almost surely, 2^630584677 is an apocalyptic number.

It is an amenable number.

630584677 is a deficient number, since it is larger than the sum of its proper divisors (1).

630584677 is an equidigital number, since it uses as much as digits as its factorization.

630584677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 630584677 is about 25111.4451396171. The cubic root of 630584677 is about 857.5270026941.

The spelling of 630584677 in words is "six hundred thirty million, five hundred eighty-four thousand, six hundred seventy-seven".