288251 has 4 divisors (see below), whose sum is σ = 294432. Its totient is φ = 282072.

The previous prime is 288247. The next prime is 288257. The reversal of 288251 is 152882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152882 = 2 ⋅76441.

It is a cyclic number.

It is not a de Polignac number, because 288251 - 2² = 288247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288251.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288251.

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, 3020 + ... + 3113.

It is an arithmetic number, because the mean of its divisors is an integer number (73608).

2²⁸⁸²⁵¹ is an apocalyptic number.

288251 is a deficient number, since it is larger than the sum of its proper divisors (6181).

288251 is an equidigital number, since it uses as much as digits as its factorization.

288251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180.

The product of its digits is 1280, while the sum is 26.

The square root of 288251 is about 536.8901191119. The cubic root of 288251 is about 66.0577242160.

The spelling of 288251 in words is "two hundred eighty-eight thousand, two hundred fifty-one".