89101 has 2 divisors, whose sum is σ = 89102. Its totient is φ = 89100.

The previous prime is 89087. The next prime is 89107. The reversal of 89101 is 10198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 38025 = 226^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 89101 - 2⁵ = 89069 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44550 + 44551.

It is an arithmetic number, because the mean of its divisors is an integer number (44551).

2⁸⁹¹⁰¹ is an apocalyptic number.

It is an amenable number.

89101 is a deficient number, since it is larger than the sum of its proper divisors (1).

89101 is an equidigital number, since it uses as much as digits as its factorization.

89101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 89101 is about 298.4979061903. The cubic root of 89101 is about 44.6643336818.

Adding to 89101 its reverse (10198), we get a palindrome (99299).

It can be divided in two parts, 8910 and 1, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 89101 in words is "eighty-nine thousand, one hundred one".