457875564581 has 2 divisors, whose sum is σ = 457875564582. Its totient is φ = 457875564580.

The previous prime is 457875564569. The next prime is 457875564607. The reversal of 457875564581 is 185465578754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344839072900 + 113036491681 = 587230^2 + 336209^2 .

It is a cyclic number.

It is not a de Polignac number, because 457875564581 - 2¹⁰ = 457875563557 is a prime.

It is a super-2 number, since 2×457875564581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457875564521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228937782290 + 228937782291.

It is an arithmetic number, because the mean of its divisors is an integer number (228937782291).

Almost surely, 2^457875564581 is an apocalyptic number.

It is an amenable number.

457875564581 is a deficient number, since it is larger than the sum of its proper divisors (1).

457875564581 is an equidigital number, since it uses as much as digits as its factorization.

457875564581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160000, while the sum is 65.

The spelling of 457875564581 in words is "four hundred fifty-seven billion, eight hundred seventy-five million, five hundred sixty-four thousand, five hundred eighty-one".