2500317316 has 72 divisors (see below), whose sum is σ = 5161122456. Its totient is φ = 1056706560.

The previous prime is 2500317311. The next prime is 2500317341. The reversal of 2500317316 is 6137130052.

It can be written as a sum of positive squares in 4 ways, for example, as 106172416 + 2394144900 = 10304^2 + 48930^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2500317311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5938786 + ... + 5939206.

Almost surely, 2^2500317316 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 2500317316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580561228).

2500317316 is an abundant number, since it is smaller than the sum of its proper divisors (2660805140).

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

2500317316 is a wasteful number, since it uses less digits than its factorization.

2500317316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2500317316 is about 50003.1730593169. The cubic root of 2500317316 is about 1357.2662277442.

Adding to 2500317316 its reverse (6137130052), we get a palindrome (8637447368).

The spelling of 2500317316 in words is "two billion, five hundred million, three hundred seventeen thousand, three hundred sixteen".