6547564725 has 48 divisors (see below), whose sum is σ = 11667294912. Its totient is φ = 3220853760.

The previous prime is 6547564717. The next prime is 6547564753. The reversal of 6547564725 is 5274657456.

It is not a de Polignac number, because 6547564725 - 2³ = 6547564717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1974669 + ... + 1977981.

It is an arithmetic number, because the mean of its divisors is an integer number (243068644).

Almost surely, 2^6547564725 is an apocalyptic number.

6547564725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6547564725 is a deficient number, since it is larger than the sum of its proper divisors (5119730187).

6547564725 is a wasteful number, since it uses less digits than its factorization.

6547564725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5361 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 51.

The square root of 6547564725 is about 80917.0237032974. The cubic root of 6547564725 is about 1870.7967212354.

The spelling of 6547564725 in words is "six billion, five hundred forty-seven million, five hundred sixty-four thousand, seven hundred twenty-five".