285874573 has 2 divisors, whose sum is σ = 285874574. Its totient is φ = 285874572.

The previous prime is 285874571. The next prime is 285874583. The reversal of 285874573 is 375478582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144312169 + 141562404 = 12013^2 + 11898^2 .

It is a cyclic number.

It is not a de Polignac number, because 285874573 - 2¹ = 285874571 is a prime.

Together with 285874571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285874571) 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, 142937286 + 142937287.

It is an arithmetic number, because the mean of its divisors is an integer number (142937287).

Almost surely, 2^285874573 is an apocalyptic number.

It is an amenable number.

285874573 is a deficient number, since it is larger than the sum of its proper divisors (1).

285874573 is an equidigital number, since it uses as much as digits as its factorization.

285874573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The square root of 285874573 is about 16907.8257916268. The cubic root of 285874573 is about 658.7568987032.

The spelling of 285874573 in words is "two hundred eighty-five million, eight hundred seventy-four thousand, five hundred seventy-three".