285125308 has 18 divisors (see below), whose sum is σ = 540305304. Its totient is φ = 131595984.

The previous prime is 285125251. The next prime is 285125353. The reversal of 285125308 is 803521582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210216 + ... + 211567.

Almost surely, 2^285125308 is an apocalyptic number.

It is an amenable number.

285125308 is a deficient number, since it is larger than the sum of its proper divisors (255179996).

285125308 is a wasteful number, since it uses less digits than its factorization.

285125308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421813 (or 421798 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 285125308 is about 16885.6539109387. The cubic root of 285125308 is about 658.1808706315.

The spelling of 285125308 in words is "two hundred eighty-five million, one hundred twenty-five thousand, three hundred eight".