450640601 has 2 divisors, whose sum is σ = 450640602. Its totient is φ = 450640600.

The previous prime is 450640591. The next prime is 450640637. The reversal of 450640601 is 106046054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295014976 + 155625625 = 17176^2 + 12475^2 .

It is a cyclic number.

It is not a de Polignac number, because 450640601 - 2¹⁴ = 450624217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (450640661) 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, 225320300 + 225320301.

It is an arithmetic number, because the mean of its divisors is an integer number (225320301).

Almost surely, 2^450640601 is an apocalyptic number.

It is an amenable number.

450640601 is a deficient number, since it is larger than the sum of its proper divisors (1).

450640601 is an equidigital number, since it uses as much as digits as its factorization.

450640601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 450640601 is about 21228.2971761750. The cubic root of 450640601 is about 766.6728885653.

Adding to 450640601 its reverse (106046054), we get a palindrome (556686655).

The spelling of 450640601 in words is "four hundred fifty million, six hundred forty thousand, six hundred one".