9525520961 has 8 divisors (see below), whose sum is σ = 10399359648. Its totient is φ = 8652996000.

The previous prime is 9525520951. The next prime is 9525520969. The reversal of 9525520961 is 1690255259.

9525520961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9525520961 - 2¹⁰ = 9525519937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9525520969) 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 7 ways as a sum of consecutive naturals, for example, 313235 + ... + 342296.

It is an arithmetic number, because the mean of its divisors is an integer number (1299919956).

Almost surely, 2^9525520961 is an apocalyptic number.

It is an amenable number.

9525520961 is a deficient number, since it is larger than the sum of its proper divisors (873838687).

9525520961 is a wasteful number, since it uses less digits than its factorization.

9525520961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656863.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 9525520961 is about 97598.7754072765. The cubic root of 9525520961 is about 2119.8066277433.

The spelling of 9525520961 in words is "nine billion, five hundred twenty-five million, five hundred twenty thousand, nine hundred sixty-one".