321449041 has 3 divisors (see below), whose sum is σ = 321466971. Its totient is φ = 321431112.

The previous prime is 321448993. The next prime is 321449047. The reversal of 321449041 is 140944123.

The square root of 321449041 is 17929.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 177449041 + 144000000 = 13321^2 + 12000^2 .

It is not a de Polignac number, because 321449041 - 2⁷ = 321448913 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321449047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8965 + ... + 26893.

It is an arithmetic number, because the mean of its divisors is an integer number (107155657).

Almost surely, 2^321449041 is an apocalyptic number.

321449041 is the 17929-th square number.

321449041 is the 8965-th centered octagonal number.

It is an amenable number.

321449041 is a deficient number, since it is larger than the sum of its proper divisors (17930).

321449041 is an frugal number, since it uses more digits than its factorization.

321449041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35858 (or 17929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The cubic root of 321449041 is about 685.0212514053.

The spelling of 321449041 in words is "three hundred twenty-one million, four hundred forty-nine thousand, forty-one".