427545227 has 2 divisors, whose sum is σ = 427545228. Its totient is φ = 427545226.

The previous prime is 427545203. The next prime is 427545247. The reversal of 427545227 is 722545724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427545227 - 2²² = 423350923 is a prime.

It is a super-2 number, since 2×427545227² = 365589842260963058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427545247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213772613 + 213772614.

It is an arithmetic number, because the mean of its divisors is an integer number (213772614).

Almost surely, 2^427545227 is an apocalyptic number.

427545227 is a deficient number, since it is larger than the sum of its proper divisors (1).

427545227 is an equidigital number, since it uses as much as digits as its factorization.

427545227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 38.

The square root of 427545227 is about 20677.1668030221. The cubic root of 427545227 is about 753.3451919236.

The spelling of 427545227 in words is "four hundred twenty-seven million, five hundred forty-five thousand, two hundred twenty-seven".