268725321 has 6 divisors (see below), whose sum is σ = 388158810. Its totient is φ = 179150208.

The previous prime is 268725319. The next prime is 268725377. The reversal of 268725321 is 123527862.

268725321 is a `hidden beast` number, since 268 + 72 + 5 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213014025 + 55711296 = 14595^2 + 7464^2 .

It is not a de Polignac number, because 268725321 - 2¹ = 268725319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268725311) 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, 14929176 + ... + 14929193.

It is an arithmetic number, because the mean of its divisors is an integer number (64693135).

Almost surely, 2^268725321 is an apocalyptic number.

It is an amenable number.

268725321 is a deficient number, since it is larger than the sum of its proper divisors (119433489).

268725321 is a wasteful number, since it uses less digits than its factorization.

268725321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29858375 (or 29858372 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 268725321 is about 16392.8435910308. The cubic root of 268725321 is about 645.3116863871.

The spelling of 268725321 in words is "two hundred sixty-eight million, seven hundred twenty-five thousand, three hundred twenty-one".