545046547 has 2 divisors, whose sum is σ = 545046548. Its totient is φ = 545046546.

The previous prime is 545046539. The next prime is 545046553. The reversal of 545046547 is 745640545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545046547 - 2³ = 545046539 is a prime.

It is not a weakly prime, because it can be changed into another prime (545046527) 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, 272523273 + 272523274.

It is an arithmetic number, because the mean of its divisors is an integer number (272523274).

Almost surely, 2^545046547 is an apocalyptic number.

545046547 is a deficient number, since it is larger than the sum of its proper divisors (1).

545046547 is an equidigital number, since it uses as much as digits as its factorization.

545046547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 40.

The square root of 545046547 is about 23346.2319657798. The cubic root of 545046547 is about 816.8541708202.

The spelling of 545046547 in words is "five hundred forty-five million, forty-six thousand, five hundred forty-seven".