630315 has 64 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 266112.

The previous prime is 630307. The next prime is 630319. The reversal of 630315 is 513036.

630315 is a `hidden beast` number, since 630 + 31 + 5 = 666.

It is not a de Polignac number, because 630315 - 2³ = 630307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21721 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2⁶³⁰³¹⁵ is an apocalyptic number.

630315 is an abundant number, since it is smaller than the sum of its proper divisors (752085).

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

630315 is a wasteful number, since it uses less digits than its factorization.

630315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 630315 is about 793.9237998700. The cubic root of 630315 is about 85.7404741406.

It can be divided in two parts, 63031 and 5, that added together give a palindrome (63036).

The spelling of 630315 in words is "six hundred thirty thousand, three hundred fifteen".