450012331 has 4 divisors (see below), whose sum is σ = 450054792. Its totient is φ = 449969872.

The previous prime is 450012301. The next prime is 450012349. The reversal of 450012331 is 133210054.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133210054 = 2 ⋅66605027.

It is a cyclic number.

It is not a de Polignac number, because 450012331 - 2²⁷ = 315794603 is a prime.

It is a super-2 number, since 2×450012331² = 405022196104107122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450012299 and 450012308.

It is not an unprimeable number, because it can be changed into a prime (450012301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9360 + ... + 31426.

It is an arithmetic number, because the mean of its divisors is an integer number (112513698).

Almost surely, 2^450012331 is an apocalyptic number.

450012331 is a deficient number, since it is larger than the sum of its proper divisors (42461).

450012331 is a wasteful number, since it uses less digits than its factorization.

450012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42460.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 450012331 is about 21213.4940780627. The cubic root of 450012331 is about 766.3164318567.

Adding to 450012331 its reverse (133210054), we get a palindrome (583222385).

The spelling of 450012331 in words is "four hundred fifty million, twelve thousand, three hundred thirty-one".