89578241 has 2 divisors, whose sum is σ = 89578242. Its totient is φ = 89578240.

The previous prime is 89578231. The next prime is 89578243. The reversal of 89578241 is 14287598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 24049216 = 8095^2 + 4904^2 .

It is a cyclic number.

It is not a de Polignac number, because 89578241 - 2¹⁰ = 89577217 is a prime.

It is a super-2 number, since 2×89578241² = 16048522521308162, which contains 22 as substring.

Together with 89578243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89578192 and 89578201.

It is not a weakly prime, because it can be changed into another prime (89578243) 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, 44789120 + 44789121.

It is an arithmetic number, because the mean of its divisors is an integer number (44789121).

Almost surely, 2^89578241 is an apocalyptic number.

It is an amenable number.

89578241 is a deficient number, since it is larger than the sum of its proper divisors (1).

89578241 is an equidigital number, since it uses as much as digits as its factorization.

89578241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 89578241 is about 9464.5782262074. The cubic root of 89578241 is about 447.4393513513.

The spelling of 89578241 in words is "eighty-nine million, five hundred seventy-eight thousand, two hundred forty-one".