9452521 has 8 divisors (see below), whose sum is σ = 10531080. Its totient is φ = 8424192.

The previous prime is 9452491. The next prime is 9452537. The reversal of 9452521 is 1252549.

9452521 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 235225 + 9217296 = 485^2 + 3036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9452521 - 2⁷ = 9452393 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9452521.

It is not an unprimeable number, because it can be changed into a prime (9452021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12160 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (1316385).

Almost surely, 2^9452521 is an apocalyptic number.

It is an amenable number.

9452521 is a deficient number, since it is larger than the sum of its proper divisors (1078559).

9452521 is a wasteful number, since it uses less digits than its factorization.

9452521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25115.

The product of its digits is 3600, while the sum is 28.

The square root of 9452521 is about 3074.4952431253. The cubic root of 9452521 is about 211.4377605445.

Adding to 9452521 its sum of digits (28), we get a palindrome (9452549).

The spelling of 9452521 in words is "nine million, four hundred fifty-two thousand, five hundred twenty-one".