288253 has 4 divisors (see below), whose sum is σ = 329440. Its totient is φ = 247068.

The previous prime is 288247. The next prime is 288257. The reversal of 288253 is 352882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 288253 - 2¹³ = 280061 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20583 + ... + 20596.

It is an arithmetic number, because the mean of its divisors is an integer number (82360).

2²⁸⁸²⁵³ is an apocalyptic number.

It is an amenable number.

288253 is a deficient number, since it is larger than the sum of its proper divisors (41187).

288253 is an equidigital number, since it uses as much as digits as its factorization.

288253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41186.

The product of its digits is 3840, while the sum is 28.

The square root of 288253 is about 536.8919816872. The cubic root of 288253 is about 66.0578769939.

It can be divided in two parts, 28 and 8253, that added together give a square (8281 = 91²).

The spelling of 288253 in words is "two hundred eighty-eight thousand, two hundred fifty-three".