457378133 has 2 divisors, whose sum is σ = 457378134. Its totient is φ = 457378132.

The previous prime is 457378109. The next prime is 457378147. The reversal of 457378133 is 331873754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401681764 + 55696369 = 20042^2 + 7463^2 .

It is a cyclic number.

It is not a de Polignac number, because 457378133 - 2¹² = 457374037 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 (457378153) 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, 228689066 + 228689067.

It is an arithmetic number, because the mean of its divisors is an integer number (228689067).

Almost surely, 2^457378133 is an apocalyptic number.

It is an amenable number.

457378133 is a deficient number, since it is larger than the sum of its proper divisors (1).

457378133 is an equidigital number, since it uses as much as digits as its factorization.

457378133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 457378133 is about 21386.4006555568. The cubic root of 457378133 is about 770.4748479411.

The spelling of 457378133 in words is "four hundred fifty-seven million, three hundred seventy-eight thousand, one hundred thirty-three".