630003 has 16 divisors (see below), whose sum is σ = 971136. Its totient is φ = 359040.

The previous prime is 629989. The next prime is 630017. The reversal of 630003 is 300036.

630003 is a nontrivial binomial coefficient, being equal to C(1123, 2).

It is an interprime number because it is at equal distance from previous prime (629989) and next prime (630017).

It is not a de Polignac number, because 630003 - 2⁴ = 629987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (60696).

2⁶³⁰⁰⁰³ is an apocalyptic number.

630003 is the 1122-nd triangular number.

630003 is a deficient number, since it is larger than the sum of its proper divisors (341133).

630003 is a wasteful number, since it uses less digits than its factorization.

630003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 630003 is about 793.7272831395. The cubic root of 630003 is about 85.7263248962.

Adding to 630003 its reverse (300036), we get a palindrome (930039).

The spelling of 630003 in words is "six hundred thirty thousand, three".