449657053 has 2 divisors, whose sum is σ = 449657054. Its totient is φ = 449657052.

The previous prime is 449657051. The next prime is 449657071. The reversal of 449657053 is 350756944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415059129 + 34597924 = 20373^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 449657053 - 2¹ = 449657051 is a prime.

Together with 449657051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449657051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224828526 + 224828527.

It is an arithmetic number, because the mean of its divisors is an integer number (224828527).

Almost surely, 2^449657053 is an apocalyptic number.

It is an amenable number.

449657053 is a deficient number, since it is larger than the sum of its proper divisors (1).

449657053 is an equidigital number, since it uses as much as digits as its factorization.

449657053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 449657053 is about 21205.1185566127. The cubic root of 449657053 is about 766.1147136451.

The spelling of 449657053 in words is "four hundred forty-nine million, six hundred fifty-seven thousand, fifty-three".