6808225 has 6 divisors (see below), whose sum is σ = 8442230. Its totient is φ = 5446560.

The previous prime is 6808223. The next prime is 6808229. The reversal of 6808225 is 5228086.

It can be written as a sum of positive squares in 3 ways, for example, as 6561 + 6801664 = 81^2 + 2608^2 .

It is not a de Polignac number, because 6808225 - 2¹ = 6808223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6808223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136140 + ... + 136189.

Almost surely, 2^6808225 is an apocalyptic number.

It is an amenable number.

6808225 is a deficient number, since it is larger than the sum of its proper divisors (1634005).

6808225 is a wasteful number, since it uses less digits than its factorization.

6808225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272339 (or 272334 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 6808225 is about 2609.2575572373. The cubic root of 6808225 is about 189.5300017707.

The spelling of 6808225 in words is "six million, eight hundred eight thousand, two hundred twenty-five".