457006813 has 2 divisors, whose sum is σ = 457006814. Its totient is φ = 457006812.

The previous prime is 457006811. The next prime is 457006817. The reversal of 457006813 is 318600754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455096889 + 1909924 = 21333^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 457006813 - 2¹ = 457006811 is a prime.

Together with 457006811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457006811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228503406 + 228503407.

It is an arithmetic number, because the mean of its divisors is an integer number (228503407).

Almost surely, 2^457006813 is an apocalyptic number.

It is an amenable number.

457006813 is a deficient number, since it is larger than the sum of its proper divisors (1).

457006813 is an equidigital number, since it uses as much as digits as its factorization.

457006813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 457006813 is about 21377.7176751869. The cubic root of 457006813 is about 770.2662895254.

The spelling of 457006813 in words is "four hundred fifty-seven million, six thousand, eight hundred thirteen".