284525 has 12 divisors (see below), whose sum is σ = 372000. Its totient is φ = 215280.

The previous prime is 284521. The next prime is 284527. The reversal of 284525 is 525482.

It is not a de Polignac number, because 284525 - 2² = 284521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284494 and 284503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (31000).

2²⁸⁴⁵²⁵ is an apocalyptic number.

284525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284525 is a deficient number, since it is larger than the sum of its proper divisors (87475).

284525 is a wasteful number, since it uses less digits than its factorization.

284525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 623 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 284525 is about 533.4088488205. The cubic root of 284525 is about 65.7718630759.

The spelling of 284525 in words is "two hundred eighty-four thousand, five hundred twenty-five".