89501 has 2 divisors, whose sum is σ = 89502. Its totient is φ = 89500.

The previous prime is 89491. The next prime is 89513. The reversal of 89501 is 10598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89401 + 100 = 299^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89501 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44750 + 44751.

It is an arithmetic number, because the mean of its divisors is an integer number (44751).

2⁸⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

89501 is a deficient number, since it is larger than the sum of its proper divisors (1).

89501 is an equidigital number, since it uses as much as digits as its factorization.

89501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 89501 is about 299.1671773440. The cubic root of 89501 is about 44.7310709243.

The spelling of 89501 in words is "eighty-nine thousand, five hundred one".