285056633 has 2 divisors, whose sum is σ = 285056634. Its totient is φ = 285056632.

The previous prime is 285056617. The next prime is 285056669. The reversal of 285056633 is 336650582.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162001984 + 123054649 = 12728^2 + 11093^2 .

It is a cyclic number.

It is not a de Polignac number, because 285056633 - 2⁴ = 285056617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (285056533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142528316 + 142528317.

It is an arithmetic number, because the mean of its divisors is an integer number (142528317).

Almost surely, 2^285056633 is an apocalyptic number.

It is an amenable number.

285056633 is a deficient number, since it is larger than the sum of its proper divisors (1).

285056633 is an equidigital number, since it uses as much as digits as its factorization.

285056633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 285056633 is about 16883.6202575159. The cubic root of 285056633 is about 658.1280234569.

The spelling of 285056633 in words is "two hundred eighty-five million, fifty-six thousand, six hundred thirty-three".