459678257 has 2 divisors, whose sum is σ = 459678258. Its totient is φ = 459678256.

The previous prime is 459678221. The next prime is 459678287. The reversal of 459678257 is 752876954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380094016 + 79584241 = 19496^2 + 8921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459678257 is a prime.

It is a super-2 number, since 2×459678257² = 422608199917116098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 459678199 and 459678208.

It is not a weakly prime, because it can be changed into another prime (459678287) 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, 229839128 + 229839129.

It is an arithmetic number, because the mean of its divisors is an integer number (229839129).

Almost surely, 2^459678257 is an apocalyptic number.

It is an amenable number.

459678257 is a deficient number, since it is larger than the sum of its proper divisors (1).

459678257 is an equidigital number, since it uses as much as digits as its factorization.

459678257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The square root of 459678257 is about 21440.1086051354. The cubic root of 459678257 is about 771.7642443915.

The spelling of 459678257 in words is "four hundred fifty-nine million, six hundred seventy-eight thousand, two hundred fifty-seven".