288278275 has 6 divisors (see below), whose sum is σ = 357465092. Its totient is φ = 230622600.

The previous prime is 288278273. The next prime is 288278293. The reversal of 288278275 is 572872882.

It is not a de Polignac number, because 288278275 - 2¹ = 288278273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288278273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5765541 + ... + 5765590.

Almost surely, 2^288278275 is an apocalyptic number.

288278275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

288278275 is a deficient number, since it is larger than the sum of its proper divisors (69186817).

288278275 is a wasteful number, since it uses less digits than its factorization.

288278275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531141 (or 11531136 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 49.

The square root of 288278275 is about 16978.7595247709. The cubic root of 288278275 is about 660.5980766366.

The spelling of 288278275 in words is "two hundred eighty-eight million, two hundred seventy-eight thousand, two hundred seventy-five".