6617957225 has 12 divisors (see below), whose sum is σ = 8952291600. Its totient is φ = 4813059600.

The previous prime is 6617957219. The next prime is 6617957239. The reversal of 6617957225 is 5227597166.

It is a happy number.

It is not a de Polignac number, because 6617957225 - 2¹⁰ = 6617956201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12032375 + ... + 12032924.

It is an arithmetic number, because the mean of its divisors is an integer number (746024300).

Almost surely, 2^6617957225 is an apocalyptic number.

It is an amenable number.

6617957225 is a deficient number, since it is larger than the sum of its proper divisors (2334334375).

6617957225 is a wasteful number, since it uses less digits than its factorization.

6617957225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24065320 (or 24065315 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 6617957225 is about 81350.8280535607. The cubic root of 6617957225 is about 1877.4771147143.

The spelling of 6617957225 in words is "six billion, six hundred seventeen million, nine hundred fifty-seven thousand, two hundred twenty-five".