854523 has 8 divisors (see below), whose sum is σ = 1266000. Its totient is φ = 569664.

The previous prime is 854479. The next prime is 854527. The reversal of 854523 is 325458.

It is not a de Polignac number, because 854523 - 2⁶ = 854459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 31649 = 854523 / (8 + 5 + 4 + 5 + 2 + 3).

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

854523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (854527) 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, 15798 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (158250).

2⁸⁵⁴⁵²³ is an apocalyptic number.

854523 is a deficient number, since it is larger than the sum of its proper divisors (411477).

854523 is a wasteful number, since it uses less digits than its factorization.

854523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31658 (or 31652 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 854523 is about 924.4041324010. The cubic root of 854523 is about 94.8945459581.

The spelling of 854523 in words is "eight hundred fifty-four thousand, five hundred twenty-three".