2522668513 has 4 divisors (see below), whose sum is σ = 2655440560. Its totient is φ = 2389896468.

The previous prime is 2522668469. The next prime is 2522668531. The reversal of 2522668513 is 3158662252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2522668513 - 2¹³ = 2522660321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522668583) 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, 66385995 + ... + 66386032.

It is an arithmetic number, because the mean of its divisors is an integer number (663860140).

Almost surely, 2^2522668513 is an apocalyptic number.

It is an amenable number.

2522668513 is a deficient number, since it is larger than the sum of its proper divisors (132772047).

2522668513 is a wasteful number, since it uses less digits than its factorization.

2522668513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132772046.

The product of its digits is 172800, while the sum is 40.

The square root of 2522668513 is about 50226.1735850941. The cubic root of 2522668513 is about 1361.2985925843.

It can be divided in two parts, 25226 and 68513, that added together give a palindrome (93739).

The spelling of 2522668513 in words is "two billion, five hundred twenty-two million, six hundred sixty-eight thousand, five hundred thirteen".