545430427 has 2 divisors, whose sum is σ = 545430428. Its totient is φ = 545430426.

The previous prime is 545430409. The next prime is 545430497. The reversal of 545430427 is 724034545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545430427 - 2¹⁹ = 544906139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545430392 and 545430401.

It is not a weakly prime, because it can be changed into another prime (545430497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272715213 + 272715214.

It is an arithmetic number, because the mean of its divisors is an integer number (272715214).

Almost surely, 2^545430427 is an apocalyptic number.

545430427 is a deficient number, since it is larger than the sum of its proper divisors (1).

545430427 is an equidigital number, since it uses as much as digits as its factorization.

545430427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 545430427 is about 23354.4519738743. The cubic root of 545430427 is about 817.0458978034.

The spelling of 545430427 in words is "five hundred forty-five million, four hundred thirty thousand, four hundred twenty-seven".