450521201 has 8 divisors (see below), whose sum is σ = 485342760. Its totient is φ = 415723392.

The previous prime is 450521167. The next prime is 450521207. The reversal of 450521201 is 102125054.

It can be written as a sum of positive squares in 4 ways, for example, as 18879025 + 431642176 = 4345^2 + 20776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450521201 - 2¹⁸ = 450259057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450521207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64391 + ... + 71043.

It is an arithmetic number, because the mean of its divisors is an integer number (60667845).

Almost surely, 2^450521201 is an apocalyptic number.

It is an amenable number.

450521201 is a deficient number, since it is larger than the sum of its proper divisors (34821559).

450521201 is a wasteful number, since it uses less digits than its factorization.

450521201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 450521201 is about 21225.4847058907. The cubic root of 450521201 is about 766.6051710179.

Adding to 450521201 its reverse (102125054), we get a palindrome (552646255).

The spelling of 450521201 in words is "four hundred fifty million, five hundred twenty-one thousand, two hundred one".