9561825 has 72 divisors (see below), whose sum is σ = 21123648. Its totient is φ = 4026240.

The previous prime is 9561823. The next prime is 9561833. The reversal of 9561825 is 5281659.

It is a happy number.

9561825 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 9561825 - 2¹ = 9561823 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9561825.

It is not an unprimeable number, because it can be changed into a prime (9561823) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20242 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (293384).

Almost surely, 2^9561825 is an apocalyptic number.

It is an amenable number.

9561825 is an abundant number, since it is smaller than the sum of its proper divisors (11561823).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9561825 is a wasteful number, since it uses less digits than its factorization.

9561825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 495 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 9561825 is about 3092.2200762559. The cubic root of 9561825 is about 212.2496243756.

The spelling of 9561825 in words is "nine million, five hundred sixty-one thousand, eight hundred twenty-five".