457243219 has 2 divisors, whose sum is σ = 457243220. Its totient is φ = 457243218.

The previous prime is 457243187. The next prime is 457243223. The reversal of 457243219 is 912342754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457243219 - 2⁵ = 457243187 is a prime.

It is a super-2 number, since 2×457243219² = 418142722642963922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (457240219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228621609 + 228621610.

It is an arithmetic number, because the mean of its divisors is an integer number (228621610).

Almost surely, 2^457243219 is an apocalyptic number.

457243219 is a deficient number, since it is larger than the sum of its proper divisors (1).

457243219 is an equidigital number, since it uses as much as digits as its factorization.

457243219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 457243219 is about 21383.2462222180. The cubic root of 457243219 is about 770.3990841777.

The spelling of 457243219 in words is "four hundred fifty-seven million, two hundred forty-three thousand, two hundred nineteen".