268531293 has 8 divisors (see below), whose sum is σ = 359917056. Its totient is φ = 178083200.

The previous prime is 268531247. The next prime is 268531309. The reversal of 268531293 is 392135862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268531293 - 2⁶ = 268531229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268531223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233748 + ... + 234893.

It is an arithmetic number, because the mean of its divisors is an integer number (44989632).

Almost surely, 2^268531293 is an apocalyptic number.

It is an amenable number.

268531293 is a deficient number, since it is larger than the sum of its proper divisors (91385763).

268531293 is a wasteful number, since it uses less digits than its factorization.

268531293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468835.

The product of its digits is 77760, while the sum is 39.

The square root of 268531293 is about 16386.9244521356. The cubic root of 268531293 is about 645.1563373212.

The spelling of 268531293 in words is "two hundred sixty-eight million, five hundred thirty-one thousand, two hundred ninety-three".