450021041 has 2 divisors, whose sum is σ = 450021042. Its totient is φ = 450021040.

The previous prime is 450021037. The next prime is 450021067. The reversal of 450021041 is 140120054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439321600 + 10699441 = 20960^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 450021041 - 2² = 450021037 is a prime.

It is not a weakly prime, because it can be changed into another prime (450021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225010520 + 225010521.

It is an arithmetic number, because the mean of its divisors is an integer number (225010521).

Almost surely, 2^450021041 is an apocalyptic number.

It is an amenable number.

450021041 is a deficient number, since it is larger than the sum of its proper divisors (1).

450021041 is an equidigital number, since it uses as much as digits as its factorization.

450021041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 450021041 is about 21213.6993709254. The cubic root of 450021041 is about 766.3213758495.

Adding to 450021041 its reverse (140120054), we get a palindrome (590141095).

The spelling of 450021041 in words is "four hundred fifty million, twenty-one thousand, forty-one".