89240573 has 2 divisors, whose sum is σ = 89240574. Its totient is φ = 89240572.

The previous prime is 89240563. The next prime is 89240581. The reversal of 89240573 is 37504298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88774084 + 466489 = 9422^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 89240573 - 2⁸ = 89240317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89240513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44620286 + 44620287.

It is an arithmetic number, because the mean of its divisors is an integer number (44620287).

Almost surely, 2^89240573 is an apocalyptic number.

It is an amenable number.

89240573 is a deficient number, since it is larger than the sum of its proper divisors (1).

89240573 is an equidigital number, since it uses as much as digits as its factorization.

89240573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 89240573 is about 9446.7228709220. The cubic root of 89240573 is about 446.8764312015.

The spelling of 89240573 in words is "eighty-nine million, two hundred forty thousand, five hundred seventy-three".