282542481 has 27 divisors (see below), whose sum is σ = 442953147. Its totient is φ = 173468880.

The previous prime is 282542453. The next prime is 282542489. The reversal of 282542481 is 184245282.

The square root of 282542481 is 16809.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 240746256 = 6465^2 + 15516^2 .

It is not a de Polignac number, because 282542481 - 2⁷ = 282542353 is a prime.

It is a super-2 number, since 2×282542481² = 159660507139270722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (282542489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 655336 + ... + 655766.

Almost surely, 2^282542481 is an apocalyptic number.

282542481 is the 16809-th square number.

282542481 is the 8405-th centered octagonal number.

It is an amenable number.

282542481 is a deficient number, since it is larger than the sum of its proper divisors (160410666).

282542481 is an equidigital number, since it uses as much as digits as its factorization.

282542481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 447 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The cubic root of 282542481 is about 656.1874472078.

Multiplying 282542481 by its sum of digits (36), we get a square (10171529316 = 100854²).

The spelling of 282542481 in words is "two hundred eighty-two million, five hundred forty-two thousand, four hundred eighty-one".