6545224 has 48 divisors (see below), whose sum is σ = 14569200. Its totient is φ = 2747808.

The previous prime is 6545219. The next prime is 6545243. The reversal of 6545224 is 4225456.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 6545192 and 6545201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22987 + ... + 23269.

It is an arithmetic number, because the mean of its divisors is an integer number (303525).

Almost surely, 2^6545224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6545224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7284600).

6545224 is an abundant number, since it is smaller than the sum of its proper divisors (8023976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6545224 is a wasteful number, since it uses less digits than its factorization.

6545224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 351 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 6545224 is about 2558.3635394525. The cubic root of 6545224 is about 187.0573760854.

The spelling of 6545224 in words is "six million, five hundred forty-five thousand, two hundred twenty-four".