450505087 has 2 divisors, whose sum is σ = 450505088. Its totient is φ = 450505086.

The previous prime is 450505057. The next prime is 450505129. The reversal of 450505087 is 780505054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450505087 - 2¹⁹ = 449980799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450505057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225252543 + 225252544.

It is an arithmetic number, because the mean of its divisors is an integer number (225252544).

Almost surely, 2^450505087 is an apocalyptic number.

450505087 is a deficient number, since it is larger than the sum of its proper divisors (1).

450505087 is an equidigital number, since it uses as much as digits as its factorization.

450505087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 450505087 is about 21225.1051116361. The cubic root of 450505087 is about 766.5960310684.

The spelling of 450505087 in words is "four hundred fifty million, five hundred five thousand, eighty-seven".