450990311 has 2 divisors, whose sum is σ = 450990312. Its totient is φ = 450990310.

The previous prime is 450990271. The next prime is 450990359. The reversal of 450990311 is 113099054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450990311 - 2²⁶ = 383881447 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450990361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225495155 + 225495156.

It is an arithmetic number, because the mean of its divisors is an integer number (225495156).

Almost surely, 2^450990311 is an apocalyptic number.

450990311 is a deficient number, since it is larger than the sum of its proper divisors (1).

450990311 is an equidigital number, since it uses as much as digits as its factorization.

450990311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 450990311 is about 21236.5324617745. The cubic root of 450990311 is about 766.8711573192.

The spelling of 450990311 in words is "four hundred fifty million, nine hundred ninety thousand, three hundred eleven".