268001597 has 2 divisors, whose sum is σ = 268001598. Its totient is φ = 268001596.

The previous prime is 268001579. The next prime is 268001647. The reversal of 268001597 is 795100862.

Together with previous prime (268001579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208109476 + 59892121 = 14426^2 + 7739^2 .

It is a cyclic number.

It is not a de Polignac number, because 268001597 - 2⁸ = 268001341 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268001597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268001197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134000798 + 134000799.

It is an arithmetic number, because the mean of its divisors is an integer number (134000799).

Almost surely, 2^268001597 is an apocalyptic number.

It is an amenable number.

268001597 is a deficient number, since it is larger than the sum of its proper divisors (1).

268001597 is an equidigital number, since it uses as much as digits as its factorization.

268001597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 268001597 is about 16370.7543198229. The cubic root of 268001597 is about 644.7318533644.

The spelling of 268001597 in words is "two hundred sixty-eight million, one thousand, five hundred ninety-seven".