457281289 has 2 divisors, whose sum is σ = 457281290. Its totient is φ = 457281288.

The previous prime is 457281259. The next prime is 457281311. The reversal of 457281289 is 982182754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353139264 + 104142025 = 18792^2 + 10205^2 .

It is a cyclic number.

It is not a de Polignac number, because 457281289 - 2⁵ = 457281257 is a prime.

It is not a weakly prime, because it can be changed into another prime (457281229) 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, 228640644 + 228640645.

It is an arithmetic number, because the mean of its divisors is an integer number (228640645).

Almost surely, 2^457281289 is an apocalyptic number.

It is an amenable number.

457281289 is a deficient number, since it is larger than the sum of its proper divisors (1).

457281289 is an equidigital number, since it uses as much as digits as its factorization.

457281289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 457281289 is about 21384.1363865834. The cubic root of 457281289 is about 770.4204646874.

The spelling of 457281289 in words is "four hundred fifty-seven million, two hundred eighty-one thousand, two hundred eighty-nine".