285340603 has 2 divisors, whose sum is σ = 285340604. Its totient is φ = 285340602.

The previous prime is 285340577. The next prime is 285340609. The reversal of 285340603 is 306043582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285340603 - 2⁵ = 285340571 is a prime.

It is not a weakly prime, because it can be changed into another prime (285340609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142670301 + 142670302.

It is an arithmetic number, because the mean of its divisors is an integer number (142670302).

Almost surely, 2^285340603 is an apocalyptic number.

285340603 is a deficient number, since it is larger than the sum of its proper divisors (1).

285340603 is an equidigital number, since it uses as much as digits as its factorization.

285340603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 285340603 is about 16892.0277941993. The cubic root of 285340603 is about 658.3464906769.

The spelling of 285340603 in words is "two hundred eighty-five million, three hundred forty thousand, six hundred three".