457289 has 4 divisors (see below), whose sum is σ = 522624. Its totient is φ = 391956.

The previous prime is 457279. The next prime is 457307. The reversal of 457289 is 982754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982754 = 2 ⋅491377.

It is a cyclic number.

It is not a de Polignac number, because 457289 - 2¹⁶ = 391753 is a prime.

It is a super-2 number, since 2×457289² = 418226459042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32657 + ... + 32670.

It is an arithmetic number, because the mean of its divisors is an integer number (130656).

2⁴⁵⁷²⁸⁹ is an apocalyptic number.

It is an amenable number.

457289 is a deficient number, since it is larger than the sum of its proper divisors (65335).

457289 is an equidigital number, since it uses as much as digits as its factorization.

457289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65334.

The product of its digits is 20160, while the sum is 35.

The square root of 457289 is about 676.2314692470. The cubic root of 457289 is about 77.0424795121.

The spelling of 457289 in words is "four hundred fifty-seven thousand, two hundred eighty-nine".