6717655225 has 6 divisors (see below), whose sum is σ = 8329892510. Its totient is φ = 5374124160.

The previous prime is 6717655223. The next prime is 6717655253. The reversal of 6717655225 is 5225567176.

It can be written as a sum of positive squares in 3 ways, for example, as 300363561 + 6417291664 = 17331^2 + 80108^2 .

It is not a de Polignac number, because 6717655225 - 2¹ = 6717655223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6717655223) 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, 134353080 + ... + 134353129.

Almost surely, 2^6717655225 is an apocalyptic number.

It is an amenable number.

6717655225 is a deficient number, since it is larger than the sum of its proper divisors (1612237285).

6717655225 is a wasteful number, since it uses less digits than its factorization.

6717655225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268706219 (or 268706214 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The square root of 6717655225 is about 81961.3032168230. The cubic root of 6717655225 is about 1886.8580838380.

The spelling of 6717655225 in words is "six billion, seven hundred seventeen million, six hundred fifty-five thousand, two hundred twenty-five".