521282 has 8 divisors (see below), whose sum is σ = 793152. Its totient is φ = 256900.

The previous prime is 521281. The next prime is 521299. The reversal of 521282 is 282125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (521281) 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, 1694 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2⁵²¹²⁸² is an apocalyptic number.

521282 is a deficient number, since it is larger than the sum of its proper divisors (271870).

521282 is a wasteful number, since it uses less digits than its factorization.

521282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744.

The product of its digits is 320, while the sum is 20.

The square root of 521282 is about 721.9986149571. The cubic root of 521282 is about 80.4805451745.

The spelling of 521282 in words is "five hundred twenty-one thousand, two hundred eighty-two".