89050081 has 2 divisors, whose sum is σ = 89050082. Its totient is φ = 89050080.

The previous prime is 89050069. The next prime is 89050099. The reversal of 89050081 is 18005098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 24167056 = 8055^2 + 4916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89050081 is a prime.

It is a super-2 number, since 2×89050081² = 15859833852213122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89050051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44525040 + 44525041.

It is an arithmetic number, because the mean of its divisors is an integer number (44525041).

Almost surely, 2^89050081 is an apocalyptic number.

It is an amenable number.

89050081 is a deficient number, since it is larger than the sum of its proper divisors (1).

89050081 is an equidigital number, since it uses as much as digits as its factorization.

89050081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 89050081 is about 9436.6350464559. The cubic root of 89050081 is about 446.5582387614.

The spelling of 89050081 in words is "eighty-nine million, fifty thousand, eighty-one".