288856313 has 4 divisors (see below), whose sum is σ = 295002240. Its totient is φ = 282710388.

The previous prime is 288856291. The next prime is 288856343. The reversal of 288856313 is 313658882.

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 288856313 - 2²⁴ = 272079097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288856343) 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, 3072893 + ... + 3072986.

It is an arithmetic number, because the mean of its divisors is an integer number (73750560).

Almost surely, 2^288856313 is an apocalyptic number.

It is an amenable number.

288856313 is a deficient number, since it is larger than the sum of its proper divisors (6145927).

288856313 is an equidigital number, since it uses as much as digits as its factorization.

288856313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145926.

The product of its digits is 276480, while the sum is 44.

The square root of 288856313 is about 16995.7733863452. The cubic root of 288856313 is about 661.0393121680.

The spelling of 288856313 in words is "two hundred eighty-eight million, eight hundred fifty-six thousand, three hundred thirteen".