89081149 has 2 divisors, whose sum is σ = 89081150. Its totient is φ = 89081148.

The previous prime is 89081147. The next prime is 89081159. The reversal of 89081149 is 94118098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85433049 + 3648100 = 9243^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 89081149 - 2¹ = 89081147 is a prime.

It is a super-2 number, since 2×89081149² = 15870902214320402, which contains 22 as substring.

Together with 89081147, it forms a pair of twin primes.

It is equal to p_5166976 and since 89081149 and 5166976 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89081147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44540574 + 44540575.

It is an arithmetic number, because the mean of its divisors is an integer number (44540575).

Almost surely, 2^89081149 is an apocalyptic number.

It is an amenable number.

89081149 is a deficient number, since it is larger than the sum of its proper divisors (1).

89081149 is an equidigital number, since it uses as much as digits as its factorization.

89081149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 89081149 is about 9438.2810405285. The cubic root of 89081149 is about 446.6101648166.

The spelling of 89081149 in words is "eighty-nine million, eighty-one thousand, one hundred forty-nine".