7288255 has 16 divisors (see below), whose sum is σ = 9725184. Its totient is φ = 5207040.

The previous prime is 7288231. The next prime is 7288271. The reversal of 7288255 is 5528827.

It is not a de Polignac number, because 7288255 - 2⁹ = 7287743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (607824).

Almost surely, 2^7288255 is an apocalyptic number.

7288255 is a deficient number, since it is larger than the sum of its proper divisors (2436929).

7288255 is a wasteful number, since it uses less digits than its factorization.

7288255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666.

The product of its digits is 44800, while the sum is 37.

The square root of 7288255 is about 2699.6768325116. The cubic root of 7288255 is about 193.8836497220.

The spelling of 7288255 in words is "seven million, two hundred eighty-eight thousand, two hundred fifty-five".