630534 has 16 divisors (see below), whose sum is σ = 1327680. Its totient is φ = 199080.

The previous prime is 630529. The next prime is 630559. The reversal of 630534 is 435036.

630534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (82980).

2⁶³⁰⁵³⁴ is an apocalyptic number.

630534 is an abundant number, since it is smaller than the sum of its proper divisors (697146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630534 is a wasteful number, since it uses less digits than its factorization.

630534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 630534 is about 794.0617104482. The cubic root of 630534 is about 85.7504030331.

The spelling of 630534 in words is "six hundred thirty thousand, five hundred thirty-four".