268372261 has 4 divisors (see below), whose sum is σ = 272152224. Its totient is φ = 264592300.

The previous prime is 268372219. The next prime is 268372271. The reversal of 268372261 is 162273862.

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.

It is a cyclic number.

It is not a de Polignac number, because 268372261 - 2⁹ = 268371749 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 268372261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268372201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889875 + ... + 1890016.

It is an arithmetic number, because the mean of its divisors is an integer number (68038056).

Almost surely, 2^268372261 is an apocalyptic number.

It is an amenable number.

268372261 is a deficient number, since it is larger than the sum of its proper divisors (3779963).

268372261 is an equidigital number, since it uses as much as digits as its factorization.

268372261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779962.

The product of its digits is 48384, while the sum is 37.

The square root of 268372261 is about 16382.0713281319. The cubic root of 268372261 is about 645.0289520886.

The spelling of 268372261 in words is "two hundred sixty-eight million, three hundred seventy-two thousand, two hundred sixty-one".