89535221 has 2 divisors, whose sum is σ = 89535222. Its totient is φ = 89535220.

The previous prime is 89535197. The next prime is 89535241. The reversal of 89535221 is 12253598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84180625 + 5354596 = 9175^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 89535221 - 2¹⁰ = 89534197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89535241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44767610 + 44767611.

It is an arithmetic number, because the mean of its divisors is an integer number (44767611).

Almost surely, 2^89535221 is an apocalyptic number.

It is an amenable number.

89535221 is a deficient number, since it is larger than the sum of its proper divisors (1).

89535221 is an equidigital number, since it uses as much as digits as its factorization.

89535221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 89535221 is about 9462.3052688021. The cubic root of 89535221 is about 447.3677122162.

The spelling of 89535221 in words is "eighty-nine million, five hundred thirty-five thousand, two hundred twenty-one".