84653 has 2 divisors, whose sum is σ = 84654. Its totient is φ = 84652.

The previous prime is 84649. The next prime is 84659. The reversal of 84653 is 35648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51529 + 33124 = 227^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 84653 - 2² = 84649 is a prime.

It is a super-2 number, since 2×84653² = 14332260818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42326 + 42327.

It is an arithmetic number, because the mean of its divisors is an integer number (42327).

2⁸⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

84653 is a deficient number, since it is larger than the sum of its proper divisors (1).

84653 is an equidigital number, since it uses as much as digits as its factorization.

84653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 84653 is about 290.9518860568. The cubic root of 84653 is about 43.9083837504.

It can be divided in two parts, 84 and 653, that added together give a palindrome (737).

The spelling of 84653 in words is "eighty-four thousand, six hundred fifty-three".