457449427 has 2 divisors, whose sum is σ = 457449428. Its totient is φ = 457449426.

The previous prime is 457449397. The next prime is 457449469. The reversal of 457449427 is 724944754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457449427 is a prime.

It is not a weakly prime, because it can be changed into another prime (457449827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228724713 + 228724714.

It is an arithmetic number, because the mean of its divisors is an integer number (228724714).

Almost surely, 2^457449427 is an apocalyptic number.

457449427 is a deficient number, since it is larger than the sum of its proper divisors (1).

457449427 is an equidigital number, since it uses as much as digits as its factorization.

457449427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The square root of 457449427 is about 21388.0673974999. The cubic root of 457449427 is about 770.5148785533.

The spelling of 457449427 in words is "four hundred fifty-seven million, four hundred forty-nine thousand, four hundred twenty-seven".