450386243 has 2 divisors, whose sum is σ = 450386244. Its totient is φ = 450386242.

The previous prime is 450386239. The next prime is 450386263. The reversal of 450386243 is 342683054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450386243 - 2² = 450386239 is a prime.

It is not a weakly prime, because it can be changed into another prime (450386263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225193121 + 225193122.

It is an arithmetic number, because the mean of its divisors is an integer number (225193122).

Almost surely, 2^450386243 is an apocalyptic number.

450386243 is a deficient number, since it is larger than the sum of its proper divisors (1).

450386243 is an equidigital number, since it uses as much as digits as its factorization.

450386243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 450386243 is about 21222.3053177547. The cubic root of 450386243 is about 766.5286153657.

The spelling of 450386243 in words is "four hundred fifty million, three hundred eighty-six thousand, two hundred forty-three".