268443061 has 2 divisors, whose sum is σ = 268443062. Its totient is φ = 268443060.

The previous prime is 268443059. The next prime is 268443067. The reversal of 268443061 is 160344862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204347025 + 64096036 = 14295^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 268443061 - 2¹ = 268443059 is a prime.

It is a super-3 number, since 3×268443061³ (a number of 26 digits) contains 333 as substring.

Together with 268443059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268443067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134221530 + 134221531.

It is an arithmetic number, because the mean of its divisors is an integer number (134221531).

Almost surely, 2^268443061 is an apocalyptic number.

It is an amenable number.

268443061 is a deficient number, since it is larger than the sum of its proper divisors (1).

268443061 is an equidigital number, since it uses as much as digits as its factorization.

268443061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 268443061 is about 16384.2320845379. The cubic root of 268443061 is about 645.0856693692.

The spelling of 268443061 in words is "two hundred sixty-eight million, four hundred forty-three thousand, sixty-one".