89653 has 2 divisors, whose sum is σ = 89654. Its totient is φ = 89652.

The previous prime is 89633. The next prime is 89657. The reversal of 89653 is 35698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 1444 = 297^2 + 38^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89653 is a prime.

89653 is a lucky number.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44826 + 44827.

It is an arithmetic number, because the mean of its divisors is an integer number (44827).

2⁸⁹⁶⁵³ is an apocalyptic number.

It is an amenable number.

89653 is a deficient number, since it is larger than the sum of its proper divisors (1).

89653 is an equidigital number, since it uses as much as digits as its factorization.

89653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 89653 is about 299.4211081404. The cubic root of 89653 is about 44.7563789373.

It can be divided in two parts, 896 and 53, that added together give a palindrome (949).

The spelling of 89653 in words is "eighty-nine thousand, six hundred fifty-three".