630353 has 2 divisors, whose sum is σ = 630354. Its totient is φ = 630352.

The previous prime is 630349. The next prime is 630391. The reversal of 630353 is 353036.

630353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 9409 = 788^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 630353 - 2² = 630349 is a prime.

It is equal to p₅₁₃₆₅ and since 630353 and 51365 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (632353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315176 + 315177.

It is an arithmetic number, because the mean of its divisors is an integer number (315177).

2⁶³⁰³⁵³ is an apocalyptic number.

It is an amenable number.

630353 is a deficient number, since it is larger than the sum of its proper divisors (1).

630353 is an equidigital number, since it uses as much as digits as its factorization.

630353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 630353 is about 793.9477312771. The cubic root of 630353 is about 85.7421971271.

Adding to 630353 its reverse (353036), we get a palindrome (983389).

The spelling of 630353 in words is "six hundred thirty thousand, three hundred fifty-three".