630553037 has 2 divisors, whose sum is σ = 630553038. Its totient is φ = 630553036.

The previous prime is 630553009. The next prime is 630553039. The reversal of 630553037 is 730355036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508096681 + 122456356 = 22541^2 + 11066^2 .

It is a cyclic number.

It is not a de Polignac number, because 630553037 - 2⁸ = 630552781 is a prime.

Together with 630553039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630552994 and 630553012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630553039) 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, 315276518 + 315276519.

It is an arithmetic number, because the mean of its divisors is an integer number (315276519).

Almost surely, 2^630553037 is an apocalyptic number.

It is an amenable number.

630553037 is a deficient number, since it is larger than the sum of its proper divisors (1).

630553037 is an equidigital number, since it uses as much as digits as its factorization.

630553037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 32.

The square root of 630553037 is about 25110.8151400945. The cubic root of 630553037 is about 857.5126601275.

The spelling of 630553037 in words is "six hundred thirty million, five hundred fifty-three thousand, thirty-seven".