282421913 has 2 divisors, whose sum is σ = 282421914. Its totient is φ = 282421912.

The previous prime is 282421907. The next prime is 282421921. The reversal of 282421913 is 319124282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226291849 + 56130064 = 15043^2 + 7492^2 .

It is a cyclic number.

It is not a de Polignac number, because 282421913 - 2²⁴ = 265644697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 282421913.

It is not a weakly prime, because it can be changed into another prime (282421903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141210956 + 141210957.

It is an arithmetic number, because the mean of its divisors is an integer number (141210957).

Almost surely, 2^282421913 is an apocalyptic number.

It is an amenable number.

282421913 is a deficient number, since it is larger than the sum of its proper divisors (1).

282421913 is an equidigital number, since it uses as much as digits as its factorization.

282421913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 282421913 is about 16805.4132052741. The cubic root of 282421913 is about 656.0940966858.

The spelling of 282421913 in words is "two hundred eighty-two million, four hundred twenty-one thousand, nine hundred thirteen".