650000285 has 16 divisors (see below), whose sum is σ = 853372800. Its totient is φ = 471359040.

The previous prime is 650000269. The next prime is 650000303. The reversal of 650000285 is 582000056.

It is not a de Polignac number, because 650000285 - 2⁴ = 650000269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2264 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (53335800).

Almost surely, 2^650000285 is an apocalyptic number.

It is an amenable number.

650000285 is a deficient number, since it is larger than the sum of its proper divisors (203372515).

650000285 is a wasteful number, since it uses less digits than its factorization.

650000285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34228.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 650000285 is about 25495.1031572732. The cubic root of 650000285 is about 866.2392319451.

The spelling of 650000285 in words is "six hundred fifty million, two hundred eighty-five", and thus it is an aban number.