630562 has 4 divisors (see below), whose sum is σ = 945846. Its totient is φ = 315280.

The previous prime is 630559. The next prime is 630577. The reversal of 630562 is 265036.

630562 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.

It can be written as a sum of positive squares in only one way, i.e., 361201 + 269361 = 601^2 + 519^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157639 + ... + 157642.

2⁶³⁰⁵⁶² is an apocalyptic number.

630562 is a deficient number, since it is larger than the sum of its proper divisors (315284).

630562 is a wasteful number, since it uses less digits than its factorization.

630562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315283.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 630562 is about 794.0793411240. The cubic root of 630562 is about 85.7516723148.

Adding to 630562 its reverse (265036), we get a palindrome (895598).

The spelling of 630562 in words is "six hundred thirty thousand, five hundred sixty-two".