284325 has 24 divisors (see below), whose sum is σ = 499968. Its totient is φ = 142080.

The previous prime is 284311. The next prime is 284341. The reversal of 284325 is 523482.

It is not a de Polignac number, because 284325 - 2⁵ = 284293 is a prime.

It is an Ulam number.

284325 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 284295 and 284304.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284325.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164 + ... + 1386.

It is an arithmetic number, because the mean of its divisors is an integer number (20832).

2²⁸⁴³²⁵ is an apocalyptic number.

284325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284325 is a deficient number, since it is larger than the sum of its proper divisors (215643).

284325 is a wasteful number, since it uses less digits than its factorization.

284325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 248 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 284325 is about 533.2213424086. The cubic root of 284325 is about 65.7564485476.

The spelling of 284325 in words is "two hundred eighty-four thousand, three hundred twenty-five".