663130 has 16 divisors (see below), whose sum is σ = 1285704. Its totient is φ = 244800.

The previous prime is 663127. The next prime is 663149. The reversal of 663130 is 31366.

It is a happy number.

663130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 168921 + 494209 = 411^2 + 703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 663098 and 663107.

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, 2421 + ... + 2680.

2⁶⁶³¹³⁰ is an apocalyptic number.

663130 is a deficient number, since it is larger than the sum of its proper divisors (622574).

663130 is a wasteful number, since it uses less digits than its factorization.

663130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 663130 is about 814.3279437671. The cubic root of 663130 is about 87.2032943513.

Adding to 663130 its reverse (31366), we get a palindrome (694496).

It can be divided in two parts, 6 and 63130, that added together give a palindrome (63136).

The spelling of 663130 in words is "six hundred sixty-three thousand, one hundred thirty".