89443313 has 2 divisors, whose sum is σ = 89443314. Its totient is φ = 89443312.

The previous prime is 89443301. The next prime is 89443331. The reversal of 89443313 is 31334498.

Together with next prime (89443331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 8464 = 9457^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 89443313 - 2¹⁴ = 89426929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89443213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44721656 + 44721657.

It is an arithmetic number, because the mean of its divisors is an integer number (44721657).

Almost surely, 2^89443313 is an apocalyptic number.

It is an amenable number.

89443313 is a deficient number, since it is larger than the sum of its proper divisors (1).

89443313 is an equidigital number, since it uses as much as digits as its factorization.

89443313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 89443313 is about 9457.4474886197. The cubic root of 89443313 is about 447.2145853311.

The spelling of 89443313 in words is "eighty-nine million, four hundred forty-three thousand, three hundred thirteen".