630463 has 4 divisors (see below), whose sum is σ = 636688. Its totient is φ = 624240.

The previous prime is 630451. The next prime is 630467. The reversal of 630463 is 364036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630463 - 2¹⁷ = 499391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (159172).

2⁶³⁰⁴⁶³ is an apocalyptic number.

630463 is a deficient number, since it is larger than the sum of its proper divisors (6225).

630463 is a wasteful number, since it uses less digits than its factorization.

630463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 630463 is about 794.0170023369. The cubic root of 630463 is about 85.7471843290.

Adding to 630463 its reverse (364036), we get a palindrome (994499).

The spelling of 630463 in words is "six hundred thirty thousand, four hundred sixty-three".