9581825 has 12 divisors (see below), whose sum is σ = 12961968. Its totient is φ = 6968400.

The previous prime is 9581813. The next prime is 9581827. The reversal of 9581825 is 5281859.

9581825 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 9581825 - 2⁴ = 9581809 is a prime.

It is a super-2 number, since 2×9581825² = 183622740661250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9581827) 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, 17147 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (1080164).

Almost surely, 2^9581825 is an apocalyptic number.

It is an amenable number.

9581825 is a deficient number, since it is larger than the sum of its proper divisors (3380143).

9581825 is a wasteful number, since it uses less digits than its factorization.

9581825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34864 (or 34859 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 9581825 is about 3095.4523094372. The cubic root of 9581825 is about 212.3975053586.

The spelling of 9581825 in words is "nine million, five hundred eighty-one thousand, eight hundred twenty-five".