2565053216 has 24 divisors (see below), whose sum is σ = 5509035504. Its totient is φ = 1165933120.

The previous prime is 2565053213. The next prime is 2565053299. The reversal of 2565053216 is 6123505652.

It is not an unprimeable number, because it can be changed into a prime (2565053213) 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, 3643190 + ... + 3643893.

It is an arithmetic number, because the mean of its divisors is an integer number (229543146).

Almost surely, 2^2565053216 is an apocalyptic number.

It is an amenable number.

2565053216 is an abundant number, since it is smaller than the sum of its proper divisors (2943982288).

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

2565053216 is a wasteful number, since it uses less digits than its factorization.

2565053216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287104 (or 7287096 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2565053216 is about 50646.3544196421. The cubic root of 2565053216 is about 1368.8802571949.

Adding to 2565053216 its reverse (6123505652), we get a palindrome (8688558868).

The spelling of 2565053216 in words is "two billion, five hundred sixty-five million, fifty-three thousand, two hundred sixteen".