288901255 has 4 divisors (see below), whose sum is σ = 346681512. Its totient is φ = 231121000.

The previous prime is 288901241. The next prime is 288901259. The reversal of 288901255 is 552109882.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-288901255 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288901259) 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, 28890121 + ... + 28890130.

It is an arithmetic number, because the mean of its divisors is an integer number (86670378).

Almost surely, 2^288901255 is an apocalyptic number.

288901255 is a deficient number, since it is larger than the sum of its proper divisors (57780257).

288901255 is an equidigital number, since it uses as much as digits as its factorization.

288901255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57780256.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 288901255 is about 16997.0954871707. The cubic root of 288901255 is about 661.0735932123.

The spelling of 288901255 in words is "two hundred eighty-eight million, nine hundred one thousand, two hundred fifty-five".