268424873 has 2 divisors, whose sum is σ = 268424874. Its totient is φ = 268424872.

The previous prime is 268424809. The next prime is 268424879. The reversal of 268424873 is 378424862.

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., 160098409 + 108326464 = 12653^2 + 10408^2 .

It is a cyclic number.

It is not a de Polignac number, because 268424873 - 2⁶ = 268424809 is a prime.

It is a super-2 number, since 2×268424873² = 144103824890132258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268424879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134212436 + 134212437.

It is an arithmetic number, because the mean of its divisors is an integer number (134212437).

Almost surely, 2^268424873 is an apocalyptic number.

It is an amenable number.

268424873 is a deficient number, since it is larger than the sum of its proper divisors (1).

268424873 is an equidigital number, since it uses as much as digits as its factorization.

268424873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 44.

The square root of 268424873 is about 16383.6770292874. The cubic root of 268424873 is about 645.0711000683.

The spelling of 268424873 in words is "two hundred sixty-eight million, four hundred twenty-four thousand, eight hundred seventy-three".