6522252613 has 4 divisors (see below), whose sum is σ = 6529184748. Its totient is φ = 6515320480.

The previous prime is 6522252601. The next prime is 6522252619. The reversal of 6522252613 is 3162522256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3958045569 + 2564207044 = 62913^2 + 50638^2 .

It is a cyclic number.

It is not a de Polignac number, because 6522252613 - 2⁹ = 6522252101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6522252619) 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, 3464656 + ... + 3466537.

It is an arithmetic number, because the mean of its divisors is an integer number (1632296187).

Almost surely, 2^6522252613 is an apocalyptic number.

It is an amenable number.

6522252613 is a deficient number, since it is larger than the sum of its proper divisors (6932135).

6522252613 is an equidigital number, since it uses as much as digits as its factorization.

6522252613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932134.

The product of its digits is 43200, while the sum is 34.

The square root of 6522252613 is about 80760.4644179316. The cubic root of 6522252613 is about 1868.3828482437.

Adding to 6522252613 its reverse (3162522256), we get a palindrome (9684774869).

The spelling of 6522252613 in words is "six billion, five hundred twenty-two million, two hundred fifty-two thousand, six hundred thirteen".