450243213 has 12 divisors (see below), whose sum is σ = 698336640. Its totient is φ = 257281752.

The previous prime is 450243203. The next prime is 450243223. The reversal of 450243213 is 312342054.

It is an interprime number because it is at equal distance from previous prime (450243203) and next prime (450243223).

It is not a de Polignac number, because 450243213 - 2⁴ = 450243197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450243203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531293 + ... + 1531586.

It is an arithmetic number, because the mean of its divisors is an integer number (58194720).

Almost surely, 2^450243213 is an apocalyptic number.

It is an amenable number.

450243213 is a deficient number, since it is larger than the sum of its proper divisors (248093427).

450243213 is a wasteful number, since it uses less digits than its factorization.

450243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062896 (or 3062889 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 450243213 is about 21218.9352466140. The cubic root of 450243213 is about 766.4474641335.

Adding to 450243213 its reverse (312342054), we get a palindrome (762585267).

The spelling of 450243213 in words is "four hundred fifty million, two hundred forty-three thousand, two hundred thirteen".