9521825 has 12 divisors (see below), whose sum is σ = 11904000. Its totient is φ = 7554960.

The previous prime is 9521807. The next prime is 9521849. The reversal of 9521825 is 5281259.

It is not a de Polignac number, because 9521825 - 2⁸ = 9521569 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9521791 and 9521800.

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, 1676 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (992000).

Almost surely, 2^9521825 is an apocalyptic number.

It is an amenable number.

9521825 is a deficient number, since it is larger than the sum of its proper divisors (2382175).

9521825 is a wasteful number, since it uses less digits than its factorization.

9521825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136 (or 3131 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 9521825 is about 3085.7454528849. The cubic root of 9521825 is about 211.9532426252.

The spelling of 9521825 in words is "nine million, five hundred twenty-one thousand, eight hundred twenty-five".