457715449 has 2 divisors, whose sum is σ = 457715450. Its totient is φ = 457715448.

The previous prime is 457715443. The next prime is 457715459. The reversal of 457715449 is 944517754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381030400 + 76685049 = 19520^2 + 8757^2 .

It is a cyclic number.

It is not a de Polignac number, because 457715449 - 2⁹ = 457714937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457715399 and 457715408.

It is not a weakly prime, because it can be changed into another prime (457715443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228857724 + 228857725.

It is an arithmetic number, because the mean of its divisors is an integer number (228857725).

Almost surely, 2^457715449 is an apocalyptic number.

It is an amenable number.

457715449 is a deficient number, since it is larger than the sum of its proper divisors (1).

457715449 is an equidigital number, since it uses as much as digits as its factorization.

457715449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 457715449 is about 21394.2854285905. The cubic root of 457715449 is about 770.6642095880.

The spelling of 457715449 in words is "four hundred fifty-seven million, seven hundred fifteen thousand, four hundred forty-nine".