316825216 has 32 divisors (see below), whose sum is σ = 641538180. Its totient is φ = 155811840.

The previous prime is 316825211. The next prime is 316825237. The reversal of 316825216 is 612528613.

It can be written as a sum of positive squares in 2 ways, for example, as 299982400 + 16842816 = 17320^2 + 4104^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316825211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12481 + ... + 28096.

Almost surely, 2^316825216 is an apocalyptic number.

It is an amenable number.

316825216 is an abundant number, since it is smaller than the sum of its proper divisors (324712964).

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

316825216 is an equidigital number, since it uses as much as digits as its factorization.

316825216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40652 (or 40640 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 316825216 is about 17799.5847142567. The cubic root of 316825216 is about 681.7208547923.

The spelling of 316825216 in words is "three hundred sixteen million, eight hundred twenty-five thousand, two hundred sixteen".