285395329 has 2 divisors, whose sum is σ = 285395330. Its totient is φ = 285395328.

The previous prime is 285395323. The next prime is 285395381. The reversal of 285395329 is 923593582.

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., 248913729 + 36481600 = 15777^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 285395329 - 2¹⁷ = 285264257 is a prime.

It is not a weakly prime, because it can be changed into another prime (285395323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142697664 + 142697665.

It is an arithmetic number, because the mean of its divisors is an integer number (142697665).

Almost surely, 2^285395329 is an apocalyptic number.

It is an amenable number.

285395329 is a deficient number, since it is larger than the sum of its proper divisors (1).

285395329 is an equidigital number, since it uses as much as digits as its factorization.

285395329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 46.

The square root of 285395329 is about 16893.6475931043. The cubic root of 285395329 is about 658.3885764819.

The spelling of 285395329 in words is "two hundred eighty-five million, three hundred ninety-five thousand, three hundred twenty-nine".