268213601 has 2 divisors, whose sum is σ = 268213602. Its totient is φ = 268213600.

The previous prime is 268213591. The next prime is 268213639. The reversal of 268213601 is 106312862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267649600 + 564001 = 16360^2 + 751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268213601 is a prime.

It is a super-2 number, since 2×268213601² = 143877071522774402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268213651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134106800 + 134106801.

It is an arithmetic number, because the mean of its divisors is an integer number (134106801).

Almost surely, 2^268213601 is an apocalyptic number.

It is an amenable number.

268213601 is a deficient number, since it is larger than the sum of its proper divisors (1).

268213601 is an equidigital number, since it uses as much as digits as its factorization.

268213601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 268213601 is about 16377.2281232204. The cubic root of 268213601 is about 644.9018146721.

The spelling of 268213601 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred one".