268797251 has 8 divisors (see below), whose sum is σ = 296983584. Its totient is φ = 241985920.

The previous prime is 268797229. The next prime is 268797253. The reversal of 268797251 is 152797862.

It is a happy number.

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 268797251 - 2¹⁸ = 268535107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268797196 and 268797205.

It is not an unprimeable number, because it can be changed into a prime (268797253) 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, 343340 + ... + 344121.

It is an arithmetic number, because the mean of its divisors is an integer number (37122948).

Almost surely, 2^268797251 is an apocalyptic number.

268797251 is a deficient number, since it is larger than the sum of its proper divisors (28186333).

268797251 is a wasteful number, since it uses less digits than its factorization.

268797251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687501.

The product of its digits is 423360, while the sum is 47.

The square root of 268797251 is about 16395.0373894054. The cubic root of 268797251 is about 645.3692583451.

The spelling of 268797251 in words is "two hundred sixty-eight million, seven hundred ninety-seven thousand, two hundred fifty-one".