450321601 has 4 divisors (see below), whose sum is σ = 450370900. Its totient is φ = 450272304.

The previous prime is 450321589. The next prime is 450321607. The reversal of 450321601 is 106123054.

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 2 ways, for example, as 432681601 + 17640000 = 20801^2 + 4200^2 .

It is a cyclic number.

It is not a de Polignac number, because 450321601 - 2²¹ = 448224449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450321607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6486 + ... + 30703.

It is an arithmetic number, because the mean of its divisors is an integer number (112592725).

Almost surely, 2^450321601 is an apocalyptic number.

It is an amenable number.

450321601 is a deficient number, since it is larger than the sum of its proper divisors (49299).

450321601 is a wasteful number, since it uses less digits than its factorization.

450321601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49298.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 450321601 is about 21220.7822900100. The cubic root of 450321601 is about 766.4919414261.

Adding to 450321601 its reverse (106123054), we get a palindrome (556444655).

The spelling of 450321601 in words is "four hundred fifty million, three hundred twenty-one thousand, six hundred one".