9641925 has 18 divisors (see below), whose sum is σ = 17270162. Its totient is φ = 5142240.

The previous prime is 9641921. The next prime is 9641959. The reversal of 9641925 is 5291469.

9641925 is a `hidden beast` number, since 9 + 641 + 9 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3381921 + 6260004 = 1839^2 + 2502^2 .

It is not a de Polignac number, because 9641925 - 2² = 9641921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9641925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9641921) 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 17 ways as a sum of consecutive naturals, for example, 21202 + ... + 21651.

Almost surely, 2^9641925 is an apocalyptic number.

It is an amenable number.

9641925 is a deficient number, since it is larger than the sum of its proper divisors (7628237).

9641925 is a wasteful number, since it uses less digits than its factorization.

9641925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42869 (or 42861 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 9641925 is about 3105.1449241541. The cubic root of 9641925 is about 212.8406531547.

The spelling of 9641925 in words is "nine million, six hundred forty-one thousand, nine hundred twenty-five".