285300425 has 12 divisors (see below), whose sum is σ = 358621020. Its totient is φ = 225112320.

The previous prime is 285300401. The next prime is 285300461. The reversal of 285300425 is 524003582.

It can be written as a sum of positive squares in 6 ways, for example, as 3429904 + 281870521 = 1852^2 + 16789^2 .

It is not a de Polignac number, because 285300425 - 2⁶ = 285300361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76340 + ... + 79989.

It is an arithmetic number, because the mean of its divisors is an integer number (29885085).

Almost surely, 2^285300425 is an apocalyptic number.

285300425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285300425 is a deficient number, since it is larger than the sum of its proper divisors (73320595).

285300425 is a wasteful number, since it uses less digits than its factorization.

285300425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156412 (or 156407 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 285300425 is about 16890.8384931003. The cubic root of 285300425 is about 658.3155892599.

The spelling of 285300425 in words is "two hundred eighty-five million, three hundred thousand, four hundred twenty-five".