854321 has 4 divisors (see below), whose sum is σ = 920052. Its totient is φ = 788592.

The previous prime is 854303. The next prime is 854323. The reversal of 854321 is 123458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123458 = 2 ⋅61729.

It can be written as a sum of positive squares in 2 ways, for example, as 190096 + 664225 = 436^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 854321 - 2⁶ = 854257 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (854323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32846 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (230013).

2⁸⁵⁴³²¹ is an apocalyptic number.

It is an amenable number.

854321 is a deficient number, since it is larger than the sum of its proper divisors (65731).

854321 is a wasteful number, since it uses less digits than its factorization.

854321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65730.

The product of its digits is 960, while the sum is 23.

The square root of 854321 is about 924.2948663711. The cubic root of 854321 is about 94.8870680205.

Adding to 854321 its reverse (123458), we get a palindrome (977779).

The spelling of 854321 in words is "eight hundred fifty-four thousand, three hundred twenty-one".