449322001 has 4 divisors (see below), whose sum is σ = 451919412. Its totient is φ = 446724592.

The previous prime is 449321989. The next prime is 449322011. The reversal of 449322001 is 100223944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233937025 + 215384976 = 15295^2 + 14676^2 .

It is a cyclic number.

It is not a de Polignac number, because 449322001 - 2¹⁵ = 449289233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298446 + ... + 1298791.

It is an arithmetic number, because the mean of its divisors is an integer number (112979853).

Almost surely, 2^449322001 is an apocalyptic number.

It is an amenable number.

449322001 is a deficient number, since it is larger than the sum of its proper divisors (2597411).

449322001 is a wasteful number, since it uses less digits than its factorization.

449322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597410.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 449322001 is about 21197.2168220264. The cubic root of 449322001 is about 765.9243818897.

Adding to 449322001 its reverse (100223944), we get a palindrome (549545945).

The spelling of 449322001 in words is "four hundred forty-nine million, three hundred twenty-two thousand, one".