630473 has 2 divisors, whose sum is σ = 630474. Its totient is φ = 630472.

The previous prime is 630467. The next prime is 630481. The reversal of 630473 is 374036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529984 + 100489 = 728^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 630473 - 2¹⁰ = 629449 is a prime.

It is not a weakly prime, because it can be changed into another prime (630433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315236 + 315237.

It is an arithmetic number, because the mean of its divisors is an integer number (315237).

2⁶³⁰⁴⁷³ is an apocalyptic number.

It is an amenable number.

630473 is a deficient number, since it is larger than the sum of its proper divisors (1).

630473 is an equidigital number, since it uses as much as digits as its factorization.

630473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 630473 is about 794.0232994063. The cubic root of 630473 is about 85.7476376822.

The spelling of 630473 in words is "six hundred thirty thousand, four hundred seventy-three".