6547522653 has 20 divisors (see below), whose sum is σ = 11178134880. Its totient is φ = 3741441192.

The previous prime is 6547522603. The next prime is 6547522661. The reversal of 6547522653 is 3562257456.

6547522653 is a `hidden beast` number, since 6 + 547 + 52 + 2 + 6 + 53 = 666.

It is not a de Polignac number, because 6547522653 - 2¹⁴ = 6547506269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6547522599 and 6547522608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6547522603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5773263 + ... + 5774396.

It is an arithmetic number, because the mean of its divisors is an integer number (558906744).

Almost surely, 2^6547522653 is an apocalyptic number.

6547522653 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6547522653 is a deficient number, since it is larger than the sum of its proper divisors (4630612227).

6547522653 is a wasteful number, since it uses less digits than its factorization.

6547522653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547678 (or 11547669 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 6547522653 is about 80916.7637328632. The cubic root of 6547522653 is about 1870.7927142327.

The spelling of 6547522653 in words is "six billion, five hundred forty-seven million, five hundred twenty-two thousand, six hundred fifty-three".