268684547 has 2 divisors, whose sum is σ = 268684548. Its totient is φ = 268684546.

The previous prime is 268684513. The next prime is 268684561. The reversal of 268684547 is 745486862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268684547 - 2⁶ = 268684483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268684495 and 268684504.

It is not a weakly prime, because it can be changed into another prime (268684447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134342273 + 134342274.

It is an arithmetic number, because the mean of its divisors is an integer number (134342274).

Almost surely, 2^268684547 is an apocalyptic number.

268684547 is a deficient number, since it is larger than the sum of its proper divisors (1).

268684547 is an equidigital number, since it uses as much as digits as its factorization.

268684547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 50.

The square root of 268684547 is about 16391.5998914078. The cubic root of 268684547 is about 645.2790467764.

The spelling of 268684547 in words is "two hundred sixty-eight million, six hundred eighty-four thousand, five hundred forty-seven".