630797 has 2 divisors, whose sum is σ = 630798. Its totient is φ = 630796.

The previous prime is 630737. The next prime is 630803. The reversal of 630797 is 797036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 361 = 794^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 630797 - 2⁶ = 630733 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 (630737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315398 + 315399.

It is an arithmetic number, because the mean of its divisors is an integer number (315399).

2⁶³⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

630797 is a deficient number, since it is larger than the sum of its proper divisors (1).

630797 is an equidigital number, since it uses as much as digits as its factorization.

630797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 630797 is about 794.2272974407. The cubic root of 630797 is about 85.7623237337.

It can be divided in two parts, 6 and 30797, that added together give a palindrome (30803).

The spelling of 630797 in words is "six hundred thirty thousand, seven hundred ninety-seven".