89258161 has 2 divisors, whose sum is σ = 89258162. Its totient is φ = 89258160.

The previous prime is 89258131. The next prime is 89258227. The reversal of 89258161 is 16185298.

89258161 = 6680² + 6681².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 44622400 = 6681^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 89258161 - 2⁵ = 89258129 is a prime.

It is a super-3 number, since 3×89258161³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_5176696 and since 89258161 and 5176696 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (89258131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44629080 + 44629081.

It is an arithmetic number, because the mean of its divisors is an integer number (44629081).

Almost surely, 2^89258161 is an apocalyptic number.

89258161 is the 6681-st centered square number.

It is an amenable number.

89258161 is a deficient number, since it is larger than the sum of its proper divisors (1).

89258161 is an equidigital number, since it uses as much as digits as its factorization.

89258161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 40.

The square root of 89258161 is about 9447.6537298951. The cubic root of 89258161 is about 446.9057868564.

The spelling of 89258161 in words is "eighty-nine million, two hundred fifty-eight thousand, one hundred sixty-one".