525284 has 6 divisors (see below), whose sum is σ = 919254. Its totient is φ = 262640.

The previous prime is 525257. The next prime is 525299. The reversal of 525284 is 482525.

It can be written as a sum of positive squares in only one way, i.e., 302500 + 222784 = 550^2 + 472^2 .

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525284.

It is an unprimeable number.

525284 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65657 + ... + 65664.

It is an arithmetic number, because the mean of its divisors is an integer number (153209).

2⁵²⁵²⁸⁴ is an apocalyptic number.

It is an amenable number.

525284 is a deficient number, since it is larger than the sum of its proper divisors (393970).

525284 is a wasteful number, since it uses less digits than its factorization.

525284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131325 (or 131323 counting only the distinct ones).

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

The square root of 525284 is about 724.7647894317. The cubic root of 525284 is about 80.6859761468.

The spelling of 525284 in words is "five hundred twenty-five thousand, two hundred eighty-four".