285362825 has 12 divisors (see below), whose sum is σ = 386018448. Its totient is φ = 207536400.

The previous prime is 285362821. The next prime is 285362837. The reversal of 285362825 is 528263582.

It is not a de Polignac number, because 285362825 - 2² = 285362821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285362821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518567 + ... + 519116.

It is an arithmetic number, because the mean of its divisors is an integer number (32168204).

Almost surely, 2^285362825 is an apocalyptic number.

285362825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

285362825 is a deficient number, since it is larger than the sum of its proper divisors (100655623).

285362825 is a wasteful number, since it uses less digits than its factorization.

285362825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037704 (or 1037699 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 285362825 is about 16892.6855473012. The cubic root of 285362825 is about 658.3635806573.

The spelling of 285362825 in words is "two hundred eighty-five million, three hundred sixty-two thousand, eight hundred twenty-five".