282561473 has 2 divisors, whose sum is σ = 282561474. Its totient is φ = 282561472.

The previous prime is 282561439. The next prime is 282561479. The reversal of 282561473 is 374165282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256224049 + 26337424 = 16007^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 282561473 - 2¹⁴ = 282545089 is a prime.

It is not a weakly prime, because it can be changed into another prime (282561479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141280736 + 141280737.

It is an arithmetic number, because the mean of its divisors is an integer number (141280737).

Almost surely, 2^282561473 is an apocalyptic number.

It is an amenable number.

282561473 is a deficient number, since it is larger than the sum of its proper divisors (1).

282561473 is an equidigital number, since it uses as much as digits as its factorization.

282561473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 282561473 is about 16809.5649259581. The cubic root of 282561473 is about 656.2021494604.

The spelling of 282561473 in words is "two hundred eighty-two million, five hundred sixty-one thousand, four hundred seventy-three".