457286449 has 2 divisors, whose sum is σ = 457286450. Its totient is φ = 457286448.

The previous prime is 457286443. The next prime is 457286461. The reversal of 457286449 is 944682754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332405824 + 124880625 = 18232^2 + 11175^2 .

It is a cyclic number.

It is not a de Polignac number, because 457286449 - 2⁷ = 457286321 is a prime.

It is a super-2 number, since 2×457286449² = 418221792878059202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (457286443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228643224 + 228643225.

It is an arithmetic number, because the mean of its divisors is an integer number (228643225).

Almost surely, 2^457286449 is an apocalyptic number.

It is an amenable number.

457286449 is a deficient number, since it is larger than the sum of its proper divisors (1).

457286449 is an equidigital number, since it uses as much as digits as its factorization.

457286449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 457286449 is about 21384.2570364275. The cubic root of 457286449 is about 770.4233625060.

The spelling of 457286449 in words is "four hundred fifty-seven million, two hundred eighty-six thousand, four hundred forty-nine".