545607427 has 2 divisors, whose sum is σ = 545607428. Its totient is φ = 545607426.

The previous prime is 545607343. The next prime is 545607451. The reversal of 545607427 is 724706545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545607427 - 2¹⁹ = 545083139 is a prime.

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 545607427.

It is not a weakly prime, because it can be changed into another prime (545607467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272803713 + 272803714.

It is an arithmetic number, because the mean of its divisors is an integer number (272803714).

Almost surely, 2^545607427 is an apocalyptic number.

545607427 is a deficient number, since it is larger than the sum of its proper divisors (1).

545607427 is an equidigital number, since it uses as much as digits as its factorization.

545607427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 545607427 is about 23358.2410938838. The cubic root of 545607427 is about 817.1342692840.

The spelling of 545607427 in words is "five hundred forty-five million, six hundred seven thousand, four hundred twenty-seven".