2545611316 has 6 divisors (see below), whose sum is σ = 4454819810. Its totient is φ = 1272805656.

The previous prime is 2545611311. The next prime is 2545611323. The reversal of 2545611316 is 6131165452.

It can be written as a sum of positive squares in only one way, i.e., 2318807716 + 226803600 = 48154^2 + 15060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545611311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318201411 + ... + 318201418.

Almost surely, 2^2545611316 is an apocalyptic number.

It is an amenable number.

2545611316 is a deficient number, since it is larger than the sum of its proper divisors (1909208494).

2545611316 is a wasteful number, since it uses less digits than its factorization.

2545611316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636402833 (or 636402831 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 2545611316 is about 50454.0515320623. The cubic root of 2545611316 is about 1365.4129922537.

Adding to 2545611316 its reverse (6131165452), we get a palindrome (8676776768).

The spelling of 2545611316 in words is "two billion, five hundred forty-five million, six hundred eleven thousand, three hundred sixteen".