455520647 has 2 divisors, whose sum is σ = 455520648. Its totient is φ = 455520646.

The previous prime is 455520631. The next prime is 455520671. The reversal of 455520647 is 746025554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455520647 - 2⁴ = 455520631 is a prime.

It is a super-3 number, since 3×455520647³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455520647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455520677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227760323 + 227760324.

It is an arithmetic number, because the mean of its divisors is an integer number (227760324).

Almost surely, 2^455520647 is an apocalyptic number.

455520647 is a deficient number, since it is larger than the sum of its proper divisors (1).

455520647 is an equidigital number, since it uses as much as digits as its factorization.

455520647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 455520647 is about 21342.9296723763. The cubic root of 455520647 is about 769.4304254713.

The spelling of 455520647 in words is "four hundred fifty-five million, five hundred twenty thousand, six hundred forty-seven".