6579225 has 63 divisors (see below), whose sum is σ = 12909423. Its totient is φ = 3324240.

The previous prime is 6579217. The next prime is 6579227. The reversal of 6579225 is 5229756.

The square root of 6579225 is 2565.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 4210704 = 1539^2 + 2052^2 .

It is not a de Polignac number, because 6579225 - 2³ = 6579217 is a prime.

Its product of digits (37800) is a multiple of the sum of its prime divisors (27).

It is a self number, because there is not a number n which added to its sum of digits gives 6579225.

It is not an unprimeable number, because it can be changed into a prime (6579227) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 346266 + ... + 346284.

Almost surely, 2^6579225 is an apocalyptic number.

6579225 is the 2565-th square number.

6579225 is the 1283-rd centered octagonal number.

It is an amenable number.

6579225 is a deficient number, since it is larger than the sum of its proper divisors (6330198).

6579225 is an equidigital number, since it uses as much as digits as its factorization.

6579225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 27 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The cubic root of 6579225 is about 187.3807241402.

Multiplying 6579225 by its sum of digits (36), we get a square (236852100 = 15390²).

The spelling of 6579225 in words is "six million, five hundred seventy-nine thousand, two hundred twenty-five".