630552 has 64 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 185472.

The previous prime is 630529. The next prime is 630559. The reversal of 630552 is 255036.

630552 is nontrivially palindromic in base 15.

630552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

630552 is an undulating number in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630559) by changing a digit.

630552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13393 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2⁶³⁰⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887040).

630552 is an abundant number, since it is smaller than the sum of its proper divisors (1143528).

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

630552 is a wasteful number, since it uses less digits than its factorization.

630552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 630552 is about 794.0730444991. The cubic root of 630552 is about 85.7512190042.

Adding to 630552 its reverse (255036), we get a palindrome (885588).

The spelling of 630552 in words is "six hundred thirty thousand, five hundred fifty-two".