285655343 has 2 divisors, whose sum is σ = 285655344. Its totient is φ = 285655342.

The previous prime is 285655339. The next prime is 285655361. The reversal of 285655343 is 343556582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285655343 - 2² = 285655339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285655343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285655303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142827671 + 142827672.

It is an arithmetic number, because the mean of its divisors is an integer number (142827672).

Almost surely, 2^285655343 is an apocalyptic number.

285655343 is a deficient number, since it is larger than the sum of its proper divisors (1).

285655343 is an equidigital number, since it uses as much as digits as its factorization.

285655343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

The square root of 285655343 is about 16901.3414556360. The cubic root of 285655343 is about 658.5884609552.

The spelling of 285655343 in words is "two hundred eighty-five million, six hundred fifty-five thousand, three hundred forty-three".