1024449457 has 2 divisors, whose sum is σ = 1024449458. Its totient is φ = 1024449456.

The previous prime is 1024449443. The next prime is 1024449469. The reversal of 1024449457 is 7549444201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 948393616 + 76055841 = 30796^2 + 8721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024449457 - 2¹⁵ = 1024416689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1024449487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512224728 + 512224729.

It is an arithmetic number, because the mean of its divisors is an integer number (512224729).

Almost surely, 2^1024449457 is an apocalyptic number.

It is an amenable number.

1024449457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024449457 is an equidigital number, since it uses as much as digits as its factorization.

1024449457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1024449457 is about 32007.0219951810. The cubic root of 1024449457 is about 1008.0842871827.

The spelling of 1024449457 in words is "one billion, twenty-four million, four hundred forty-nine thousand, four hundred fifty-seven".