282551 has 4 divisors (see below), whose sum is σ = 287400. Its totient is φ = 277704.

The previous prime is 282493. The next prime is 282559. The reversal of 282551 is 155282.

282551 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155282 = 2 ⋅77641.

It is a cyclic number.

It is not a de Polignac number, because 282551 - 2⁶ = 282487 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 282551.

It is not an unprimeable number, because it can be changed into a prime (282559) 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, 2336 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (71850).

2²⁸²⁵⁵¹ is an apocalyptic number.

282551 is a deficient number, since it is larger than the sum of its proper divisors (4849).

282551 is an equidigital number, since it uses as much as digits as its factorization.

282551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848.

The product of its digits is 800, while the sum is 23.

The square root of 282551 is about 531.5552652359. Note that the first 3 decimals coincide. The cubic root of 282551 is about 65.6194042092.

The spelling of 282551 in words is "two hundred eighty-two thousand, five hundred fifty-one".