9441521 has 4 divisors (see below), whose sum is σ = 9671844. Its totient is φ = 9211200.

The previous prime is 9441491. The next prime is 9441529. The reversal of 9441521 is 1251449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1251449 = 59 ⋅21211.

It can be written as a sum of positive squares in 2 ways, for example, as 3010225 + 6431296 = 1735^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 9441521 - 2⁶ = 9441457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9441529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115100 + ... + 115181.

It is an arithmetic number, because the mean of its divisors is an integer number (2417961).

Almost surely, 2^9441521 is an apocalyptic number.

It is an amenable number.

9441521 is a deficient number, since it is larger than the sum of its proper divisors (230323).

9441521 is a wasteful number, since it uses less digits than its factorization.

9441521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230322.

The product of its digits is 1440, while the sum is 26.

The square root of 9441521 is about 3072.7058108449. The cubic root of 9441521 is about 211.3557112463.

The spelling of 9441521 in words is "nine million, four hundred forty-one thousand, five hundred twenty-one".