268452817 has 2 divisors, whose sum is σ = 268452818. Its totient is φ = 268452816.

The previous prime is 268452731. The next prime is 268452869. The reversal of 268452817 is 718254862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204947856 + 63504961 = 14316^2 + 7969^2 .

It is a cyclic number.

It is not a de Polignac number, because 268452817 - 2⁷ = 268452689 is a prime.

It is not a weakly prime, because it can be changed into another prime (268452017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134226408 + 134226409.

It is an arithmetic number, because the mean of its divisors is an integer number (134226409).

Almost surely, 2^268452817 is an apocalyptic number.

It is an amenable number.

268452817 is a deficient number, since it is larger than the sum of its proper divisors (1).

268452817 is an equidigital number, since it uses as much as digits as its factorization.

268452817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The square root of 268452817 is about 16384.5298071077. The cubic root of 268452817 is about 645.0934840364.

The spelling of 268452817 in words is "two hundred sixty-eight million, four hundred fifty-two thousand, eight hundred seventeen".