630533 has 4 divisors (see below), whose sum is σ = 641280. Its totient is φ = 619788.

The previous prime is 630529. The next prime is 630559. The reversal of 630533 is 335036.

630533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630533 - 2² = 630529 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 (630523) 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, 5285 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (160320).

2⁶³⁰⁵³³ is an apocalyptic number.

It is an amenable number.

630533 is a deficient number, since it is larger than the sum of its proper divisors (10747).

630533 is a wasteful number, since it uses less digits than its factorization.

630533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

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

The square root of 630533 is about 794.0610807740. The cubic root of 630533 is about 85.7503577009.

Adding to 630533 its reverse (335036), we get a palindrome (965569).

It can be divided in two parts, 630 and 533, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 630533 in words is "six hundred thirty thousand, five hundred thirty-three".