282461 has 2 divisors, whose sum is σ = 282462. Its totient is φ = 282460.

The previous prime is 282439. The next prime is 282481. The reversal of 282461 is 164282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219961 + 62500 = 469^2 + 250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282461 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141230 + 141231.

It is an arithmetic number, because the mean of its divisors is an integer number (141231).

2²⁸²⁴⁶¹ is an apocalyptic number.

It is an amenable number.

282461 is a deficient number, since it is larger than the sum of its proper divisors (1).

282461 is an equidigital number, since it uses as much as digits as its factorization.

282461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 282461 is about 531.4706012566. The cubic root of 282461 is about 65.6124362948.

The spelling of 282461 in words is "two hundred eighty-two thousand, four hundred sixty-one".