9825825 has 12 divisors (see below), whose sum is σ = 16245488. Its totient is φ = 5240400.

The previous prime is 9825821. The next prime is 9825833. The reversal of 9825825 is 5285289.

9825825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9825825 - 2² = 9825821 is a prime.

It is a d-powerful number, because it can be written as 9⁵ + 8 + 2 + 5⁴ + 8³ + 2² + 5¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9825821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65431 + ... + 65580.

Almost surely, 2^9825825 is an apocalyptic number.

It is an amenable number.

9825825 is a deficient number, since it is larger than the sum of its proper divisors (6419663).

9825825 is a wasteful number, since it uses less digits than its factorization.

9825825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131024 (or 131019 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 9825825 is about 3134.6172015096. The cubic root of 9825825 is about 214.1853069280.

The spelling of 9825825 in words is "nine million, eight hundred twenty-five thousand, eight hundred twenty-five".