6898225 has 6 divisors (see below), whose sum is σ = 8553830. Its totient is φ = 5518560.

The previous prime is 6898187. The next prime is 6898231. The reversal of 6898225 is 5228986.

It can be written as a sum of positive squares in 3 ways, for example, as 303601 + 6594624 = 551^2 + 2568^2 .

It is not a de Polignac number, because 6898225 - 2⁷ = 6898097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137940 + ... + 137989.

Almost surely, 2^6898225 is an apocalyptic number.

It is an amenable number.

6898225 is a deficient number, since it is larger than the sum of its proper divisors (1655605).

6898225 is a wasteful number, since it uses less digits than its factorization.

6898225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275939 (or 275934 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 6898225 is about 2626.4472201055. The cubic root of 6898225 is about 190.3615001276.

The spelling of 6898225 in words is "six million, eight hundred ninety-eight thousand, two hundred twenty-five".