285025700 has 18 divisors (see below), whose sum is σ = 618505986. Its totient is φ = 114010240.

The previous prime is 285025691. The next prime is 285025703. The reversal of 285025700 is 7520582.

It can be written as a sum of positive squares in 3 ways, for example, as 39664804 + 245360896 = 6298^2 + 15664^2 .

It is not an unprimeable number, because it can be changed into a prime (285025703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1425029 + ... + 1425228.

Almost surely, 2^285025700 is an apocalyptic number.

285025700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285025700 is an abundant number, since it is smaller than the sum of its proper divisors (333480286).

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

285025700 is a wasteful number, since it uses less digits than its factorization.

285025700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850271 (or 2850264 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 285025700 is about 16882.7041672832. The cubic root of 285025700 is about 658.1042169471.

The spelling of 285025700 in words is "two hundred eighty-five million, twenty-five thousand, seven hundred".