457812133 has 2 divisors, whose sum is σ = 457812134. Its totient is φ = 457812132.

The previous prime is 457812083. The next prime is 457812143. The reversal of 457812133 is 331218754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398321764 + 59490369 = 19958^2 + 7713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457812133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457812143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228906066 + 228906067.

It is an arithmetic number, because the mean of its divisors is an integer number (228906067).

Almost surely, 2^457812133 is an apocalyptic number.

It is an amenable number.

457812133 is a deficient number, since it is larger than the sum of its proper divisors (1).

457812133 is an equidigital number, since it uses as much as digits as its factorization.

457812133 is an evil number, because the sum of its binary digits is even.

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

The square root of 457812133 is about 21396.5448846303. The cubic root of 457812133 is about 770.7184686645.

The spelling of 457812133 in words is "four hundred fifty-seven million, eight hundred twelve thousand, one hundred thirty-three".