288501 has 4 divisors (see below), whose sum is σ = 384672. Its totient is φ = 192332.

The previous prime is 288499. The next prime is 288527. The reversal of 288501 is 105882.

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 288501 - 2¹ = 288499 is a prime.

It is a D-number.

288501 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288501.

It is not an unprimeable number, because it can be changed into a prime (288551) 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 3 ways as a sum of consecutive naturals, for example, 48081 + ... + 48086.

It is an arithmetic number, because the mean of its divisors is an integer number (96168).

2²⁸⁸⁵⁰¹ is an apocalyptic number.

It is an amenable number.

288501 is a deficient number, since it is larger than the sum of its proper divisors (96171).

288501 is an equidigital number, since it uses as much as digits as its factorization.

288501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96170.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 288501 is about 537.1228909663. The cubic root of 288501 is about 66.0768159787.

The spelling of 288501 in words is "two hundred eighty-eight thousand, five hundred one".