6977225 has 12 divisors (see below), whose sum is σ = 9161244. Its totient is φ = 5253120.

The previous prime is 6977221. The next prime is 6977227. The reversal of 6977225 is 5227796.

It can be written as a sum of positive squares in 6 ways, for example, as 107584 + 6869641 = 328^2 + 2621^2 .

It is not a de Polignac number, because 6977225 - 2² = 6977221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6977221) by changing a digit.

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, 7784 + ... + 8633.

It is an arithmetic number, because the mean of its divisors is an integer number (763437).

Almost surely, 2^6977225 is an apocalyptic number.

It is an amenable number.

6977225 is a deficient number, since it is larger than the sum of its proper divisors (2184019).

6977225 is a wasteful number, since it uses less digits than its factorization.

6977225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16444 (or 16439 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 6977225 is about 2641.4437340212. The cubic root of 6977225 is about 191.0854309309.

The spelling of 6977225 in words is "six million, nine hundred seventy-seven thousand, two hundred twenty-five".