285505002 has 12 divisors (see below), whose sum is σ = 618594210. Its totient is φ = 95168328.

The previous prime is 285504991. The next prime is 285505013. The reversal of 285505002 is 200505582.

It is an interprime number because it is at equal distance from previous prime (285504991) and next prime (285505013).

It can be written as a sum of positive squares in only one way, i.e., 165405321 + 120099681 = 12861^2 + 10959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7930677 + ... + 7930712.

Almost surely, 2^285505002 is an apocalyptic number.

285505002 is an abundant number, since it is smaller than the sum of its proper divisors (333089208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285505002 is a wasteful number, since it uses less digits than its factorization.

285505002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861397 (or 15861394 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 285505002 is about 16896.8932647395. The cubic root of 285505002 is about 658.4729018552.

The spelling of 285505002 in words is "two hundred eighty-five million, five hundred five thousand, two".