268502017 has 6 divisors (see below), whose sum is σ = 312339138. Its totient is φ = 230144544.

The previous prime is 268501997. The next prime is 268502021. The reversal of 268502017 is 710205862.

It can be written as a sum of positive squares in only one way, i.e., 199346161 + 69155856 = 14119^2 + 8316^2 .

It is not a de Polignac number, because 268502017 - 2²³ = 260113409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268502017.

It is not an unprimeable number, because it can be changed into a prime (268502077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2739768 + ... + 2739865.

It is an arithmetic number, because the mean of its divisors is an integer number (52056523).

Almost surely, 2^268502017 is an apocalyptic number.

It is an amenable number.

268502017 is a deficient number, since it is larger than the sum of its proper divisors (43837121).

268502017 is an equidigital number, since it uses as much as digits as its factorization.

268502017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479647 (or 5479640 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 268502017 is about 16386.0311546146. The cubic root of 268502017 is about 645.1328909125.

Adding to 268502017 its reverse (710205862), we get a palindrome (978707879).

The spelling of 268502017 in words is "two hundred sixty-eight million, five hundred two thousand, seventeen".