450205061 has 2 divisors, whose sum is σ = 450205062. Its totient is φ = 450205060.

The previous prime is 450205009. The next prime is 450205079. The reversal of 450205061 is 160502054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371332900 + 78872161 = 19270^2 + 8881^2 .

It is a cyclic number.

It is not a de Polignac number, because 450205061 - 2¹⁰ = 450204037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450205001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225102530 + 225102531.

It is an arithmetic number, because the mean of its divisors is an integer number (225102531).

Almost surely, 2^450205061 is an apocalyptic number.

It is an amenable number.

450205061 is a deficient number, since it is larger than the sum of its proper divisors (1).

450205061 is an equidigital number, since it uses as much as digits as its factorization.

450205061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 450205061 is about 21218.0362192169. The cubic root of 450205061 is about 766.4258148494.

The spelling of 450205061 in words is "four hundred fifty million, two hundred five thousand, sixty-one".