8961608925 has 18 divisors (see below), whose sum is σ = 16051237722. Its totient is φ = 4779524640.

The previous prime is 8961608921. The next prime is 8961608969. The reversal of 8961608925 is 5298061698.

It is a happy number.

8961608925 is a `hidden beast` number, since 8 + 9 + 6 + 1 + 608 + 9 + 25 = 666.

8961608925 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 925741476 + 8035867449 = 30426^2 + 89643^2 .

It is not a de Polignac number, because 8961608925 - 2² = 8961608921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961608921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19914462 + ... + 19914911.

It is an arithmetic number, because the mean of its divisors is an integer number (891735429).

Almost surely, 2^8961608925 is an apocalyptic number.

It is an amenable number.

8961608925 is a deficient number, since it is larger than the sum of its proper divisors (7089628797).

8961608925 is a wasteful number, since it uses less digits than its factorization.

8961608925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39829389 (or 39829381 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 8961608925 is about 94665.7748344142. The cubic root of 8961608925 is about 2077.1219537400.

The spelling of 8961608925 in words is "eight billion, nine hundred sixty-one million, six hundred eight thousand, nine hundred twenty-five".