630243 has 12 divisors (see below), whose sum is σ = 917280. Its totient is φ = 416976.

The previous prime is 630229. The next prime is 630247. The reversal of 630243 is 342036.

It is not a de Polignac number, because 630243 - 2⁸ = 629987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

2⁶³⁰²⁴³ is an apocalyptic number.

630243 is a deficient number, since it is larger than the sum of its proper divisors (287037).

630243 is a wasteful number, since it uses less digits than its factorization.

630243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 630243 is about 793.8784541729. The cubic root of 630243 is about 85.7372093449.

Adding to 630243 its reverse (342036), we get a palindrome (972279).

The spelling of 630243 in words is "six hundred thirty thousand, two hundred forty-three".