268682213 has 4 divisors (see below), whose sum is σ = 268799040. Its totient is φ = 268565388.

The previous prime is 268682203. The next prime is 268682231. The reversal of 268682213 is 312286862.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312286862 = 2 ⋅156143431.

It is a cyclic number.

It is not a de Polignac number, because 268682213 - 2²⁰ = 267633637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268682203) 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, 54893 + ... + 59586.

It is an arithmetic number, because the mean of its divisors is an integer number (67199760).

Almost surely, 2^268682213 is an apocalyptic number.

It is an amenable number.

268682213 is a deficient number, since it is larger than the sum of its proper divisors (116827).

268682213 is a wasteful number, since it uses less digits than its factorization.

268682213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116826.

The product of its digits is 55296, while the sum is 38.

The square root of 268682213 is about 16391.5286962504. The cubic root of 268682213 is about 645.2771783081.

The spelling of 268682213 in words is "two hundred sixty-eight million, six hundred eighty-two thousand, two hundred thirteen".