268282457 has 6 divisors (see below), whose sum is σ = 284992398. Its totient is φ = 252500864.

The previous prime is 268282433. The next prime is 268282493. The reversal of 268282457 is 754282862.

It can be written as a sum of positive squares in 3 ways, for example, as 84842521 + 183439936 = 9211^2 + 13544^2 .

It is not a de Polignac number, because 268282457 - 2²⁰ = 267233881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268282057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463868 + ... + 464445.

It is an arithmetic number, because the mean of its divisors is an integer number (47498733).

Almost surely, 2^268282457 is an apocalyptic number.

It is an amenable number.

268282457 is a deficient number, since it is larger than the sum of its proper divisors (16709941).

268282457 is an equidigital number, since it uses as much as digits as its factorization.

268282457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928347 (or 928330 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 268282457 is about 16379.3301755597. The cubic root of 268282457 is about 644.9569965120.

The spelling of 268282457 in words is "two hundred sixty-eight million, two hundred eighty-two thousand, four hundred fifty-seven".