457497217 has 4 divisors (see below), whose sum is σ = 484408836. Its totient is φ = 430585600.

The previous prime is 457497203. The next prime is 457497221. The reversal of 457497217 is 712794754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 376515216 + 80982001 = 19404^2 + 8999^2 .

It is a cyclic number.

It is not a de Polignac number, because 457497217 - 2¹¹ = 457495169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457497247) 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 in 3 ways as a sum of consecutive naturals, for example, 13455784 + ... + 13455817.

It is an arithmetic number, because the mean of its divisors is an integer number (121102209).

Almost surely, 2^457497217 is an apocalyptic number.

It is an amenable number.

457497217 is a deficient number, since it is larger than the sum of its proper divisors (26911619).

457497217 is a wasteful number, since it uses less digits than its factorization.

457497217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911618.

The product of its digits is 493920, while the sum is 46.

The square root of 457497217 is about 21389.1845800629. The cubic root of 457497217 is about 770.5417096604.

The spelling of 457497217 in words is "four hundred fifty-seven million, four hundred ninety-seven thousand, two hundred seventeen".