457220573 has 2 divisors, whose sum is σ = 457220574. Its totient is φ = 457220572.

The previous prime is 457220567. The next prime is 457220587. The reversal of 457220573 is 375022754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387381124 + 69839449 = 19682^2 + 8357^2 .

It is a cyclic number.

It is not a de Polignac number, because 457220573 - 2⁶ = 457220509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457220563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228610286 + 228610287.

It is an arithmetic number, because the mean of its divisors is an integer number (228610287).

Almost surely, 2^457220573 is an apocalyptic number.

It is an amenable number.

457220573 is a deficient number, since it is larger than the sum of its proper divisors (1).

457220573 is an equidigital number, since it uses as much as digits as its factorization.

457220573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 457220573 is about 21382.7166889523. The cubic root of 457220573 is about 770.3863653846.

The spelling of 457220573 in words is "four hundred fifty-seven million, two hundred twenty thousand, five hundred seventy-three".