89520133 has 2 divisors, whose sum is σ = 89520134. Its totient is φ = 89520132.

The previous prime is 89520121. The next prime is 89520161. The reversal of 89520133 is 33102598.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56881764 + 32638369 = 7542^2 + 5713^2 .

It is a cyclic number.

It is not a de Polignac number, because 89520133 - 2¹³ = 89511941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89520095 and 89520104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89520103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44760066 + 44760067.

It is an arithmetic number, because the mean of its divisors is an integer number (44760067).

Almost surely, 2^89520133 is an apocalyptic number.

It is an amenable number.

89520133 is a deficient number, since it is larger than the sum of its proper divisors (1).

89520133 is an equidigital number, since it uses as much as digits as its factorization.

89520133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 89520133 is about 9461.5079664924. The cubic root of 89520133 is about 447.3425814608.

The spelling of 89520133 in words is "eighty-nine million, five hundred twenty thousand, one hundred thirty-three".