6315312 has 40 divisors (see below), whose sum is σ = 16717680. Its totient is φ = 2053120.

The previous prime is 6315311. The next prime is 6315341. The reversal of 6315312 is 2135136.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6315311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (417942).

Almost surely, 2^6315312 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 6315312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8358840).

6315312 is an abundant number, since it is smaller than the sum of its proper divisors (10402368).

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

6315312 is a wasteful number, since it uses less digits than its factorization.

6315312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3255 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 6315312 is about 2513.0284518883. The cubic root of 6315312 is about 184.8409833955.

The spelling of 6315312 in words is "six million, three hundred fifteen thousand, three hundred twelve".