285025282 has 16 divisors (see below), whose sum is σ = 454237560. Its totient is φ = 133878528.

The previous prime is 285025277. The next prime is 285025337. The reversal of 285025282 is 282520582.

It can be written as a sum of positive squares in 4 ways, for example, as 252523881 + 32501401 = 15891^2 + 5701^2 .

It is a super-2 number, since 2×285025282² = 162478822758359048, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 64263 + ... + 68554.

Almost surely, 2^285025282 is an apocalyptic number.

285025282 is a deficient number, since it is larger than the sum of its proper divisors (169212278).

285025282 is a wasteful number, since it uses less digits than its factorization.

285025282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132885.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 285025282 is about 16882.6917877452. The cubic root of 285025282 is about 658.1038952362.

The spelling of 285025282 in words is "two hundred eighty-five million, twenty-five thousand, two hundred eighty-two".