85453 has 2 divisors, whose sum is σ = 85454. Its totient is φ = 85452.

The previous prime is 85451. The next prime is 85469. The reversal of 85453 is 35458.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 5929 = 282^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 85453 - 2¹ = 85451 is a prime.

Together with 85451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42726 + 42727.

It is an arithmetic number, because the mean of its divisors is an integer number (42727).

2⁸⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

85453 is a deficient number, since it is larger than the sum of its proper divisors (1).

85453 is an equidigital number, since it uses as much as digits as its factorization.

85453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 85453 is about 292.3234509922. The cubic root of 85453 is about 44.0462667596.

The spelling of 85453 in words is "eighty-five thousand, four hundred fifty-three".