89001131 has 2 divisors, whose sum is σ = 89001132. Its totient is φ = 89001130.

The previous prime is 89001113. The next prime is 89001161. The reversal of 89001131 is 13110098.

Together with previous prime (89001113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89001131 - 2⁶ = 89001067 is a prime.

It is a super-2 number, since 2×89001131² = 15842402638558322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89001097 and 89001106.

It is not a weakly prime, because it can be changed into another prime (89001161) 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, 44500565 + 44500566.

It is an arithmetic number, because the mean of its divisors is an integer number (44500566).

Almost surely, 2^89001131 is an apocalyptic number.

89001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

89001131 is an equidigital number, since it uses as much as digits as its factorization.

89001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 89001131 is about 9434.0410747463. The cubic root of 89001131 is about 446.4764007964.

The spelling of 89001131 in words is "eighty-nine million, one thousand, one hundred thirty-one".