457496321 has 4 divisors (see below), whose sum is σ = 457983444. Its totient is φ = 457009200.

The previous prime is 457496311. The next prime is 457496339. The reversal of 457496321 is 123694754.

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 180606721 + 276889600 = 13439^2 + 16640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457496321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (457496311) 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, 242150 + ... + 244031.

It is an arithmetic number, because the mean of its divisors is an integer number (114495861).

Almost surely, 2^457496321 is an apocalyptic number.

It is an amenable number.

457496321 is a deficient number, since it is larger than the sum of its proper divisors (487123).

457496321 is an equidigital number, since it uses as much as digits as its factorization.

457496321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487122.

The product of its digits is 181440, while the sum is 41.

The square root of 457496321 is about 21389.1636348876. The cubic root of 457496321 is about 770.5412066295.

The spelling of 457496321 in words is "four hundred fifty-seven million, four hundred ninety-six thousand, three hundred twenty-one".