282493 has 2 divisors, whose sum is σ = 282494. Its totient is φ = 282492.

The previous prime is 282487. The next prime is 282559. The reversal of 282493 is 394282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205209 + 77284 = 453^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 282493 - 2⁵ = 282461 is a prime.

It is the 532-nd Hogben number.

282493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282413) by changing a digit.

It is a nontrivial repunit in base 531.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141246 + 141247.

It is an arithmetic number, because the mean of its divisors is an integer number (141247).

2²⁸²⁴⁹³ is an apocalyptic number.

It is an amenable number.

282493 is a deficient number, since it is larger than the sum of its proper divisors (1).

282493 is an equidigital number, since it uses as much as digits as its factorization.

282493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 282493 is about 531.5007055499. The cubic root of 282493 is about 65.6149139450.

The spelling of 282493 in words is "two hundred eighty-two thousand, four hundred ninety-three".