9521441 has 2 divisors, whose sum is σ = 9521442. Its totient is φ = 9521440.

The previous prime is 9521417. The next prime is 9521453. The reversal of 9521441 is 1441259.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 279841 = 3040^2 + 529^2 .

It is an emirp because it is prime and its reverse (1441259) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9521441 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9521441.

It is not a weakly prime, because it can be changed into another prime (9521461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4760720 + 4760721.

It is an arithmetic number, because the mean of its divisors is an integer number (4760721).

Almost surely, 2^9521441 is an apocalyptic number.

It is an amenable number.

9521441 is a deficient number, since it is larger than the sum of its proper divisors (1).

9521441 is an equidigital number, since it uses as much as digits as its factorization.

9521441 is an evil number, because the sum of its binary digits is even.

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

The square root of 9521441 is about 3085.6832306638. The cubic root of 9521441 is about 211.9503933416.

The spelling of 9521441 in words is "nine million, five hundred twenty-one thousand, four hundred forty-one".