9521201 has 2 divisors, whose sum is σ = 9521202. Its totient is φ = 9521200.

The previous prime is 9521191. The next prime is 9521203. The reversal of 9521201 is 1021259.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6370576 + 3150625 = 2524^2 + 1775^2 .

It is an emirp because it is prime and its reverse (1021259) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9521201 - 2¹⁸ = 9259057 is a prime.

Together with 9521203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9521203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4760600 + 4760601.

It is an arithmetic number, because the mean of its divisors is an integer number (4760601).

Almost surely, 2^9521201 is an apocalyptic number.

It is an amenable number.

9521201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9521201 is an equidigital number, since it uses as much as digits as its factorization.

9521201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 9521201 is about 3085.6443411385. The cubic root of 9521201 is about 211.9486125005.

The spelling of 9521201 in words is "nine million, five hundred twenty-one thousand, two hundred one".