450042293 has 2 divisors, whose sum is σ = 450042294. Its totient is φ = 450042292.

The previous prime is 450042289. The next prime is 450042331. The reversal of 450042293 is 392240054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352763524 + 97278769 = 18782^2 + 9863^2 .

It is a cyclic number.

It is not a de Polignac number, because 450042293 - 2² = 450042289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450042893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225021146 + 225021147.

It is an arithmetic number, because the mean of its divisors is an integer number (225021147).

Almost surely, 2^450042293 is an apocalyptic number.

It is an amenable number.

450042293 is a deficient number, since it is larger than the sum of its proper divisors (1).

450042293 is an equidigital number, since it uses as much as digits as its factorization.

450042293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 450042293 is about 21214.2002677452. The cubic root of 450042293 is about 766.3334386969. Note that the first 3 decimals are identical.

The spelling of 450042293 in words is "four hundred fifty million, forty-two thousand, two hundred ninety-three".