457903321 has 2 divisors, whose sum is σ = 457903322. Its totient is φ = 457903320.

The previous prime is 457903283. The next prime is 457903361. The reversal of 457903321 is 123309754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430977600 + 26925721 = 20760^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 457903321 - 2²³ = 449514713 is a prime.

It is not a weakly prime, because it can be changed into another prime (457903361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228951660 + 228951661.

It is an arithmetic number, because the mean of its divisors is an integer number (228951661).

Almost surely, 2^457903321 is an apocalyptic number.

It is an amenable number.

457903321 is a deficient number, since it is larger than the sum of its proper divisors (1).

457903321 is an equidigital number, since it uses as much as digits as its factorization.

457903321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 457903321 is about 21398.6756833221. The cubic root of 457903321 is about 770.7696363852.

The spelling of 457903321 in words is "four hundred fifty-seven million, nine hundred three thousand, three hundred twenty-one".