85481 has 8 divisors (see below), whose sum is σ = 98400. Its totient is φ = 73440.

The previous prime is 85469. The next prime is 85487. The reversal of 85481 is 18458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85481 - 2¹⁰ = 84457 is a prime.

It is a super-2 number, since 2×85481² = 14614002722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85481.

It is not an unprimeable number, because it can be changed into a prime (85487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 413.

It is an arithmetic number, because the mean of its divisors is an integer number (12300).

2⁸⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

85481 is a deficient number, since it is larger than the sum of its proper divisors (12919).

85481 is a wasteful number, since it uses less digits than its factorization.

85481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 1280, while the sum is 26.

The square root of 85481 is about 292.3713392246. The cubic root of 85481 is about 44.0510770483.

The spelling of 85481 in words is "eighty-five thousand, four hundred eighty-one".