450315647 has 2 divisors, whose sum is σ = 450315648. Its totient is φ = 450315646.

The previous prime is 450315623. The next prime is 450315661. The reversal of 450315647 is 746513054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450315647 - 2¹² = 450311551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450315617) 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, 225157823 + 225157824.

It is an arithmetic number, because the mean of its divisors is an integer number (225157824).

Almost surely, 2^450315647 is an apocalyptic number.

450315647 is a deficient number, since it is larger than the sum of its proper divisors (1).

450315647 is an equidigital number, since it uses as much as digits as its factorization.

450315647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 450315647 is about 21220.6420025408. The cubic root of 450315647 is about 766.4885633121.

The spelling of 450315647 in words is "four hundred fifty million, three hundred fifteen thousand, six hundred forty-seven".