457385497 has 2 divisors, whose sum is σ = 457385498. Its totient is φ = 457385496.

The previous prime is 457385471. The next prime is 457385519. The reversal of 457385497 is 794583754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456719641 + 665856 = 21371^2 + 816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457385497 is a prime.

It is not a weakly prime, because it can be changed into another prime (457385407) 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 as a sum of consecutive naturals, namely, 228692748 + 228692749.

It is an arithmetic number, because the mean of its divisors is an integer number (228692749).

Almost surely, 2^457385497 is an apocalyptic number.

It is an amenable number.

457385497 is a deficient number, since it is larger than the sum of its proper divisors (1).

457385497 is an equidigital number, since it uses as much as digits as its factorization.

457385497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 52.

The square root of 457385497 is about 21386.5728203469. The cubic root of 457385497 is about 770.4789829197.

The spelling of 457385497 in words is "four hundred fifty-seven million, three hundred eighty-five thousand, four hundred ninety-seven".