215282 has 4 divisors (see below), whose sum is σ = 322926. Its totient is φ = 107640.

The previous prime is 215279. The next prime is 215297. The reversal of 215282 is 282512.

215282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203401 + 11881 = 451^2 + 109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53819 + ... + 53822.

2²¹⁵²⁸² is an apocalyptic number.

215282 is a deficient number, since it is larger than the sum of its proper divisors (107644).

215282 is a wasteful number, since it uses less digits than its factorization.

215282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107643.

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

The square root of 215282 is about 463.9849135478. The cubic root of 215282 is about 59.9334447191.

Adding to 215282 its reverse (282512), we get a palindrome (497794).

The spelling of 215282 in words is "two hundred fifteen thousand, two hundred eighty-two".