6545297572 has 24 divisors (see below), whose sum is σ = 12653746560. Its totient is φ = 2937473760.

The previous prime is 6545297567. The next prime is 6545297599. The reversal of 6545297572 is 2757925456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938023 + ... + 944974.

It is an arithmetic number, because the mean of its divisors is an integer number (527239440).

Almost surely, 2^6545297572 is an apocalyptic number.

It is an amenable number.

6545297572 is a deficient number, since it is larger than the sum of its proper divisors (6108448988).

6545297572 is a wasteful number, since it uses less digits than its factorization.

6545297572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883091 (or 1883089 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 52.

The square root of 6545297572 is about 80903.0133678592. The cubic root of 6545297572 is about 1870.5807695948.

The spelling of 6545297572 in words is "six billion, five hundred forty-five million, two hundred ninety-seven thousand, five hundred seventy-two".