288250 has 16 divisors (see below), whose sum is σ = 540072. Its totient is φ = 115200.

The previous prime is 288247. The next prime is 288257. The reversal of 288250 is 52882.

It can be written as a sum of positive squares in 4 ways, for example, as 127449 + 160801 = 357^2 + 401^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (288257) by changing a digit.

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, 327 + ... + 826.

2²⁸⁸²⁵⁰ is an apocalyptic number.

288250 is a deficient number, since it is larger than the sum of its proper divisors (251822).

288250 is a wasteful number, since it uses less digits than its factorization.

288250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 288250 is about 536.8891878218. The cubic root of 288250 is about 66.0576478268.

The spelling of 288250 in words is "two hundred eighty-eight thousand, two hundred fifty".