457291 has 4 divisors (see below), whose sum is σ = 458784. Its totient is φ = 455800.

The previous prime is 457279. The next prime is 457307. The reversal of 457291 is 192754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192754 = 2 ⋅96377.

It is a cyclic number.

It is not a de Polignac number, because 457291 - 2¹⁷ = 326219 is a prime.

It is a Duffinian number.

457291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (457201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (114696).

2⁴⁵⁷²⁹¹ is an apocalyptic number.

457291 is a deficient number, since it is larger than the sum of its proper divisors (1493).

457291 is a wasteful number, since it uses less digits than its factorization.

457291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 2520, while the sum is 28.

The square root of 457291 is about 676.2329480290. The cubic root of 457291 is about 77.0425918296.

The spelling of 457291 in words is "four hundred fifty-seven thousand, two hundred ninety-one".