283394473 has 2 divisors, whose sum is σ = 283394474. Its totient is φ = 283394472.

The previous prime is 283394417. The next prime is 283394497. The reversal of 283394473 is 374493382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280998169 + 2396304 = 16763^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 283394473 - 2²¹ = 281297321 is a prime.

It is not a weakly prime, because it can be changed into another prime (283394273) 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, 141697236 + 141697237.

It is an arithmetic number, because the mean of its divisors is an integer number (141697237).

Almost surely, 2^283394473 is an apocalyptic number.

It is an amenable number.

283394473 is a deficient number, since it is larger than the sum of its proper divisors (1).

283394473 is an equidigital number, since it uses as much as digits as its factorization.

283394473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 283394473 is about 16834.3242513622. The cubic root of 283394473 is about 656.8463516056.

The spelling of 283394473 in words is "two hundred eighty-three million, three hundred ninety-four thousand, four hundred seventy-three".