450556031 has 2 divisors, whose sum is σ = 450556032. Its totient is φ = 450556030.

The previous prime is 450556019. The next prime is 450556033. The reversal of 450556031 is 130655054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450556031 - 2⁶ = 450555967 is a prime.

It is a super-3 number, since 3×450556031³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 450556033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 450555985 and 450556003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450556033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225278015 + 225278016.

It is an arithmetic number, because the mean of its divisors is an integer number (225278016).

Almost surely, 2^450556031 is an apocalyptic number.

450556031 is a deficient number, since it is larger than the sum of its proper divisors (1).

450556031 is an equidigital number, since it uses as much as digits as its factorization.

450556031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 450556031 is about 21226.3051659963. The cubic root of 450556031 is about 766.6249260409.

The spelling of 450556031 in words is "four hundred fifty million, five hundred fifty-six thousand, thirty-one".