89213321 has 2 divisors, whose sum is σ = 89213322. Its totient is φ = 89213320.

The previous prime is 89213317. The next prime is 89213393. The reversal of 89213321 is 12331298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 13957696 = 8675^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 89213321 - 2² = 89213317 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89213221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44606660 + 44606661.

It is an arithmetic number, because the mean of its divisors is an integer number (44606661).

Almost surely, 2^89213321 is an apocalyptic number.

It is an amenable number.

89213321 is a deficient number, since it is larger than the sum of its proper divisors (1).

89213321 is an equidigital number, since it uses as much as digits as its factorization.

89213321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 89213321 is about 9445.2803558179. The cubic root of 89213321 is about 446.8309380065.

The spelling of 89213321 in words is "eighty-nine million, two hundred thirteen thousand, three hundred twenty-one".